Home / 187,591.12-258,875.70-102,708.16

Finding the Fourth Proportional to 187,591.12, 258,875.70 and 102,708.16

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Solution

The fourth proportional to 187,591.12, 258,875.70 and 102,708.16 is: 141,737.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,591.12 : 258,875.70 = 102,708.16 : x
  2. Step 2: Convert to fraction form
    187,591.12/258,875.70 = 102,708.16/x
  3. Step 3: Cross multiply
    187,591.12x = 258,875.70 × 102,708.16
  4. Step 4: Simplify right side
    187,591.12x = 26,588,646,815.71
  5. Step 5: Solve for x
    x = 26,588,646,815.71/187,591.12
  6. Step 6: Final answer
    x = 141,737.24

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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.