Home / 187,891.29-281,295.45-124,774.47

Finding the Fourth Proportional to 187,891.29, 281,295.45 and 124,774.47

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Solution

The fourth proportional to 187,891.29, 281,295.45 and 124,774.47 is: 186,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,891.29 : 281,295.45 = 124,774.47 : x
  2. Step 2: Convert to fraction form
    187,891.29/281,295.45 = 124,774.47/x
  3. Step 3: Cross multiply
    187,891.29x = 281,295.45 × 124,774.47
  4. Step 4: Simplify right side
    187,891.29x = 35,098,490,687.16
  5. Step 5: Solve for x
    x = 35,098,490,687.16/187,891.29
  6. Step 6: Final answer
    x = 186,802.12

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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.