Home / 131,726.40-197,589.60-57,998.40

Finding the Fourth Proportional to 131,726.40, 197,589.60 and 57,998.40

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Solution

The fourth proportional to 131,726.40, 197,589.60 and 57,998.40 is: 86,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,726.40 : 197,589.60 = 57,998.40 : x
  2. Step 2: Convert to fraction form
    131,726.40/197,589.60 = 57,998.40/x
  3. Step 3: Cross multiply
    131,726.40x = 197,589.60 × 57,998.40
  4. Step 4: Simplify right side
    131,726.40x = 11,459,880,656.64
  5. Step 5: Solve for x
    x = 11,459,880,656.64/131,726.40
  6. Step 6: Final answer
    x = 86,997.60

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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.