Home / 156,125.27-215,454.47-84,506.82

Finding the Fourth Proportional to 156,125.27, 215,454.47 and 84,506.82

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Solution

The fourth proportional to 156,125.27, 215,454.47 and 84,506.82 is: 116,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,125.27 : 215,454.47 = 84,506.82 : x
  2. Step 2: Convert to fraction form
    156,125.27/215,454.47 = 84,506.82/x
  3. Step 3: Cross multiply
    156,125.27x = 215,454.47 × 84,506.82
  4. Step 4: Simplify right side
    156,125.27x = 18,207,371,691.95
  5. Step 5: Solve for x
    x = 18,207,371,691.95/156,125.27
  6. Step 6: Final answer
    x = 116,620.28

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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.