Home / 238,681.18-329,382.41-131,251.98

Finding the Fourth Proportional to 238,681.18, 329,382.41 and 131,251.98

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Solution

The fourth proportional to 238,681.18, 329,382.41 and 131,251.98 is: 181,129.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,681.18 : 329,382.41 = 131,251.98 : x
  2. Step 2: Convert to fraction form
    238,681.18/329,382.41 = 131,251.98/x
  3. Step 3: Cross multiply
    238,681.18x = 329,382.41 × 131,251.98
  4. Step 4: Simplify right side
    238,681.18x = 43,232,093,489.67
  5. Step 5: Solve for x
    x = 43,232,093,489.67/238,681.18
  6. Step 6: Final answer
    x = 181,129.04

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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.