Home / 187,682.78-258,937.88-107,052.27

Finding the Fourth Proportional to 187,682.78, 258,937.88 and 107,052.27

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Solution

The fourth proportional to 187,682.78, 258,937.88 and 107,052.27 is: 147,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,682.78 : 258,937.88 = 107,052.27 : x
  2. Step 2: Convert to fraction form
    187,682.78/258,937.88 = 107,052.27/x
  3. Step 3: Cross multiply
    187,682.78x = 258,937.88 × 107,052.27
  4. Step 4: Simplify right side
    187,682.78x = 27,719,887,307.73
  5. Step 5: Solve for x
    x = 27,719,887,307.73/187,682.78
  6. Step 6: Final answer
    x = 147,695.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.