Home / 108,001.20-161,742.60-52,532.40

Finding the Fourth Proportional to 108,001.20, 161,742.60 and 52,532.40

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Solution

The fourth proportional to 108,001.20, 161,742.60 and 52,532.40 is: 78,672.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,001.20 : 161,742.60 = 52,532.40 : x
  2. Step 2: Convert to fraction form
    108,001.20/161,742.60 = 52,532.40/x
  3. Step 3: Cross multiply
    108,001.20x = 161,742.60 × 52,532.40
  4. Step 4: Simplify right side
    108,001.20x = 8,496,726,960.24
  5. Step 5: Solve for x
    x = 8,496,726,960.24/108,001.20
  6. Step 6: Final answer
    x = 78,672.52

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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.