Home / 156,118.75-215,449.09-95,677.71

Finding the Fourth Proportional to 156,118.75, 215,449.09 and 95,677.71

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Solution

The fourth proportional to 156,118.75, 215,449.09 and 95,677.71 is: 132,038.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,118.75 : 215,449.09 = 95,677.71 : x
  2. Step 2: Convert to fraction form
    156,118.75/215,449.09 = 95,677.71/x
  3. Step 3: Cross multiply
    156,118.75x = 215,449.09 × 95,677.71
  4. Step 4: Simplify right side
    156,118.75x = 20,613,675,552.78
  5. Step 5: Solve for x
    x = 20,613,675,552.78/156,118.75
  6. Step 6: Final answer
    x = 132,038.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.