Home / 187,251.12-258,376.68-106,680.24

Finding the Fourth Proportional to 187,251.12, 258,376.68 and 106,680.24

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Solution

The fourth proportional to 187,251.12, 258,376.68 and 106,680.24 is: 147,201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,251.12 : 258,376.68 = 106,680.24 : x
  2. Step 2: Convert to fraction form
    187,251.12/258,376.68 = 106,680.24/x
  3. Step 3: Cross multiply
    187,251.12x = 258,376.68 × 106,680.24
  4. Step 4: Simplify right side
    187,251.12x = 27,563,686,232.80
  5. Step 5: Solve for x
    x = 27,563,686,232.80/187,251.12
  6. Step 6: Final answer
    x = 147,201.72

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1.5x scale

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.