Home / 454,132.70-681,515.26-187,894.62

Finding the Fourth Proportional to 454,132.70, 681,515.26 and 187,894.62

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Solution

The fourth proportional to 454,132.70, 681,515.26 and 187,894.62 is: 281,972.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,132.70 : 681,515.26 = 187,894.62 : x
  2. Step 2: Convert to fraction form
    454,132.70/681,515.26 = 187,894.62/x
  3. Step 3: Cross multiply
    454,132.70x = 681,515.26 × 187,894.62
  4. Step 4: Simplify right side
    454,132.70x = 128,053,050,801.90
  5. Step 5: Solve for x
    x = 128,053,050,801.90/454,132.70
  6. Step 6: Final answer
    x = 281,972.76

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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.