Home / 88,158.25-132,237.10-31,998.30

Finding the Fourth Proportional to 88,158.25, 132,237.10 and 31,998.30

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Solution

The fourth proportional to 88,158.25, 132,237.10 and 31,998.30 is: 47,997.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,158.25 : 132,237.10 = 31,998.30 : x
  2. Step 2: Convert to fraction form
    88,158.25/132,237.10 = 31,998.30/x
  3. Step 3: Cross multiply
    88,158.25x = 132,237.10 × 31,998.30
  4. Step 4: Simplify right side
    88,158.25x = 4,231,362,396.93
  5. Step 5: Solve for x
    x = 4,231,362,396.93/88,158.25
  6. Step 6: Final answer
    x = 47,997.35

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.