Home / 215,171.16-296,951.04-119,686.74

Finding the Fourth Proportional to 215,171.16, 296,951.04 and 119,686.74

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Solution

The fourth proportional to 215,171.16, 296,951.04 and 119,686.74 is: 165,175.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,171.16 : 296,951.04 = 119,686.74 : x
  2. Step 2: Convert to fraction form
    215,171.16/296,951.04 = 119,686.74/x
  3. Step 3: Cross multiply
    215,171.16x = 296,951.04 × 119,686.74
  4. Step 4: Simplify right side
    215,171.16x = 35,541,101,917.21
  5. Step 5: Solve for x
    x = 35,541,101,917.21/215,171.16
  6. Step 6: Final answer
    x = 165,175.96

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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.