Home / 187,138.46-258,250.80-106,566

Finding the Fourth Proportional to 187,138.46, 258,250.80 and 106,566

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Solution

The fourth proportional to 187,138.46, 258,250.80 and 106,566 is: 147,060.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,138.46 : 258,250.80 = 106,566 : x
  2. Step 2: Convert to fraction form
    187,138.46/258,250.80 = 106,566/x
  3. Step 3: Cross multiply
    187,138.46x = 258,250.80 × 106,566
  4. Step 4: Simplify right side
    187,138.46x = 27,520,754,752.80
  5. Step 5: Solve for x
    x = 27,520,754,752.80/187,138.46
  6. Step 6: Final answer
    x = 147,060.92

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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.