Home / 132,997.50-199,533.75-54,168.30

Finding the Fourth Proportional to 132,997.50, 199,533.75 and 54,168.30

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Solution

The fourth proportional to 132,997.50, 199,533.75 and 54,168.30 is: 81,267.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,997.50 : 199,533.75 = 54,168.30 : x
  2. Step 2: Convert to fraction form
    132,997.50/199,533.75 = 54,168.30/x
  3. Step 3: Cross multiply
    132,997.50x = 199,533.75 × 54,168.30
  4. Step 4: Simplify right side
    132,997.50x = 10,808,404,030.13
  5. Step 5: Solve for x
    x = 10,808,404,030.13/132,997.50
  6. Step 6: Final answer
    x = 81,267.72

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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.