Home / 215,184.64-296,920.56-119,691.04

Finding the Fourth Proportional to 215,184.64, 296,920.56 and 119,691.04

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Solution

The fourth proportional to 215,184.64, 296,920.56 and 119,691.04 is: 165,154.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,184.64 : 296,920.56 = 119,691.04 : x
  2. Step 2: Convert to fraction form
    215,184.64/296,920.56 = 119,691.04/x
  3. Step 3: Cross multiply
    215,184.64x = 296,920.56 × 119,691.04
  4. Step 4: Simplify right side
    215,184.64x = 35,538,730,623.78
  5. Step 5: Solve for x
    x = 35,538,730,623.78/215,184.64
  6. Step 6: Final answer
    x = 165,154.59

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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.