Home / 187,402.97-281,102.63-54,282.11

Finding the Fourth Proportional to 187,402.97, 281,102.63 and 54,282.11

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Solution

The fourth proportional to 187,402.97, 281,102.63 and 54,282.11 is: 81,422.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,402.97 : 281,102.63 = 54,282.11 : x
  2. Step 2: Convert to fraction form
    187,402.97/281,102.63 = 54,282.11/x
  3. Step 3: Cross multiply
    187,402.97x = 281,102.63 × 54,282.11
  4. Step 4: Simplify right side
    187,402.97x = 15,258,842,206.03
  5. Step 5: Solve for x
    x = 15,258,842,206.03/187,402.97
  6. Step 6: Final answer
    x = 81,422.63

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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.