Home / 187,227.62-258,343.96-106,656.72

Finding the Fourth Proportional to 187,227.62, 258,343.96 and 106,656.72

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Solution

The fourth proportional to 187,227.62, 258,343.96 and 106,656.72 is: 147,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,227.62 : 258,343.96 = 106,656.72 : x
  2. Step 2: Convert to fraction form
    187,227.62/258,343.96 = 106,656.72/x
  3. Step 3: Cross multiply
    187,227.62x = 258,343.96 × 106,656.72
  4. Step 4: Simplify right side
    187,227.62x = 27,554,119,405.41
  5. Step 5: Solve for x
    x = 27,554,119,405.41/187,227.62
  6. Step 6: Final answer
    x = 147,169.10

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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.