Home / 187,789.98-281,685.45-47,548.62

Finding the Fourth Proportional to 187,789.98, 281,685.45 and 47,548.62

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Solution

The fourth proportional to 187,789.98, 281,685.45 and 47,548.62 is: 71,323.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,789.98 : 281,685.45 = 47,548.62 : x
  2. Step 2: Convert to fraction form
    187,789.98/281,685.45 = 47,548.62/x
  3. Step 3: Cross multiply
    187,789.98x = 281,685.45 × 47,548.62
  4. Step 4: Simplify right side
    187,789.98x = 13,393,754,421.58
  5. Step 5: Solve for x
    x = 13,393,754,421.58/187,789.98
  6. Step 6: Final answer
    x = 71,323.05

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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.