Home / 217,937.24-327,397.95-129,248.91

Finding the Fourth Proportional to 217,937.24, 327,397.95 and 129,248.91

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Solution

The fourth proportional to 217,937.24, 327,397.95 and 129,248.91 is: 194,165.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,937.24 : 327,397.95 = 129,248.91 : x
  2. Step 2: Convert to fraction form
    217,937.24/327,397.95 = 129,248.91/x
  3. Step 3: Cross multiply
    217,937.24x = 327,397.95 × 129,248.91
  4. Step 4: Simplify right side
    217,937.24x = 42,315,828,173.73
  5. Step 5: Solve for x
    x = 42,315,828,173.73/217,937.24
  6. Step 6: Final answer
    x = 194,165.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.