Home / 187,740.59-281,611.49-47,499.21

Finding the Fourth Proportional to 187,740.59, 281,611.49 and 47,499.21

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Solution

The fourth proportional to 187,740.59, 281,611.49 and 47,499.21 is: 71,248.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,740.59 : 281,611.49 = 47,499.21 : x
  2. Step 2: Convert to fraction form
    187,740.59/281,611.49 = 47,499.21/x
  3. Step 3: Cross multiply
    187,740.59x = 281,611.49 × 47,499.21
  4. Step 4: Simplify right side
    187,740.59x = 13,376,323,064.43
  5. Step 5: Solve for x
    x = 13,376,323,064.43/187,740.59
  6. Step 6: Final answer
    x = 71,248.97

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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.