Home / 187,622.53-281,348.84-80,956.16

Finding the Fourth Proportional to 187,622.53, 281,348.84 and 80,956.16

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Solution

The fourth proportional to 187,622.53, 281,348.84 and 80,956.16 is: 121,397.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,622.53 : 281,348.84 = 80,956.16 : x
  2. Step 2: Convert to fraction form
    187,622.53/281,348.84 = 80,956.16/x
  3. Step 3: Cross multiply
    187,622.53x = 281,348.84 × 80,956.16
  4. Step 4: Simplify right side
    187,622.53x = 22,776,921,557.56
  5. Step 5: Solve for x
    x = 22,776,921,557.56/187,622.53
  6. Step 6: Final answer
    x = 121,397.58

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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.