Home / 354,120.19-488,685.11-192,974.85

Finding the Fourth Proportional to 354,120.19, 488,685.11 and 192,974.85

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Solution

The fourth proportional to 354,120.19, 488,685.11 and 192,974.85 is: 266,304.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,120.19 : 488,685.11 = 192,974.85 : x
  2. Step 2: Convert to fraction form
    354,120.19/488,685.11 = 192,974.85/x
  3. Step 3: Cross multiply
    354,120.19x = 488,685.11 × 192,974.85
  4. Step 4: Simplify right side
    354,120.19x = 94,303,934,834.61
  5. Step 5: Solve for x
    x = 94,303,934,834.61/354,120.19
  6. Step 6: Final answer
    x = 266,304.88

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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.