Home / 187,904.17-281,918.10-124,971.88

Finding the Fourth Proportional to 187,904.17, 281,918.10 and 124,971.88

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Solution

The fourth proportional to 187,904.17, 281,918.10 and 124,971.88 is: 187,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,904.17 : 281,918.10 = 124,971.88 : x
  2. Step 2: Convert to fraction form
    187,904.17/281,918.10 = 124,971.88/x
  3. Step 3: Cross multiply
    187,904.17x = 281,918.10 × 124,971.88
  4. Step 4: Simplify right side
    187,904.17x = 35,231,834,963.03
  5. Step 5: Solve for x
    x = 35,231,834,963.03/187,904.17
  6. Step 6: Final answer
    x = 187,498.95

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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.