Home / 156,016.40-234,024.60-129,772.40

Finding the Fourth Proportional to 156,016.40, 234,024.60 and 129,772.40

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Solution

The fourth proportional to 156,016.40, 234,024.60 and 129,772.40 is: 194,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,016.40 : 234,024.60 = 129,772.40 : x
  2. Step 2: Convert to fraction form
    156,016.40/234,024.60 = 129,772.40/x
  3. Step 3: Cross multiply
    156,016.40x = 234,024.60 × 129,772.40
  4. Step 4: Simplify right side
    156,016.40x = 30,369,934,001.04
  5. Step 5: Solve for x
    x = 30,369,934,001.04/156,016.40
  6. Step 6: Final answer
    x = 194,658.60

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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.