Home / 156,613.28-234,755.10-99,730.43

Finding the Fourth Proportional to 156,613.28, 234,755.10 and 99,730.43

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Solution

The fourth proportional to 156,613.28, 234,755.10 and 99,730.43 is: 149,490.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,613.28 : 234,755.10 = 99,730.43 : x
  2. Step 2: Convert to fraction form
    156,613.28/234,755.10 = 99,730.43/x
  3. Step 3: Cross multiply
    156,613.28x = 234,755.10 × 99,730.43
  4. Step 4: Simplify right side
    156,613.28x = 23,412,225,893.92
  5. Step 5: Solve for x
    x = 23,412,225,893.92/156,613.28
  6. Step 6: Final answer
    x = 149,490.69

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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.