Home / 156,638.13-234,957.20-38,308.07

Finding the Fourth Proportional to 156,638.13, 234,957.20 and 38,308.07

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Solution

The fourth proportional to 156,638.13, 234,957.20 and 38,308.07 is: 57,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,638.13 : 234,957.20 = 38,308.07 : x
  2. Step 2: Convert to fraction form
    156,638.13/234,957.20 = 38,308.07/x
  3. Step 3: Cross multiply
    156,638.13x = 234,957.20 × 38,308.07
  4. Step 4: Simplify right side
    156,638.13x = 9,000,755,498.28
  5. Step 5: Solve for x
    x = 9,000,755,498.28/156,638.13
  6. Step 6: Final answer
    x = 57,462.10

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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.