Home / 156,053.10-234,079.65-96,129.30

Finding the Fourth Proportional to 156,053.10, 234,079.65 and 96,129.30

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Solution

The fourth proportional to 156,053.10, 234,079.65 and 96,129.30 is: 144,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,053.10 : 234,079.65 = 96,129.30 : x
  2. Step 2: Convert to fraction form
    156,053.10/234,079.65 = 96,129.30/x
  3. Step 3: Cross multiply
    156,053.10x = 234,079.65 × 96,129.30
  4. Step 4: Simplify right side
    156,053.10x = 22,501,912,898.75
  5. Step 5: Solve for x
    x = 22,501,912,898.75/156,053.10
  6. Step 6: Final answer
    x = 144,193.95

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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.