Home / 156,046.83-215,565.08-124,174.95

Finding the Fourth Proportional to 156,046.83, 215,565.08 and 124,174.95

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Solution

The fourth proportional to 156,046.83, 215,565.08 and 124,174.95 is: 171,536.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,046.83 : 215,565.08 = 124,174.95 : x
  2. Step 2: Convert to fraction form
    156,046.83/215,565.08 = 124,174.95/x
  3. Step 3: Cross multiply
    156,046.83x = 215,565.08 × 124,174.95
  4. Step 4: Simplify right side
    156,046.83x = 26,767,782,409.87
  5. Step 5: Solve for x
    x = 26,767,782,409.87/156,046.83
  6. Step 6: Final answer
    x = 171,536.85

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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.