Home / 108,331.20-162,592.80-63,902.40

Finding the Fourth Proportional to 108,331.20, 162,592.80 and 63,902.40

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Solution

The fourth proportional to 108,331.20, 162,592.80 and 63,902.40 is: 95,910.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,331.20 : 162,592.80 = 63,902.40 : x
  2. Step 2: Convert to fraction form
    108,331.20/162,592.80 = 63,902.40/x
  3. Step 3: Cross multiply
    108,331.20x = 162,592.80 × 63,902.40
  4. Step 4: Simplify right side
    108,331.20x = 10,390,070,142.72
  5. Step 5: Solve for x
    x = 10,390,070,142.72/108,331.20
  6. Step 6: Final answer
    x = 95,910.23

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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.