Home / 238,767.94-329,487.51-131,335.21

Finding the Fourth Proportional to 238,767.94, 329,487.51 and 131,335.21

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Solution

The fourth proportional to 238,767.94, 329,487.51 and 131,335.21 is: 181,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,767.94 : 329,487.51 = 131,335.21 : x
  2. Step 2: Convert to fraction form
    238,767.94/329,487.51 = 131,335.21/x
  3. Step 3: Cross multiply
    238,767.94x = 329,487.51 × 131,335.21
  4. Step 4: Simplify right side
    238,767.94x = 43,273,311,318.23
  5. Step 5: Solve for x
    x = 43,273,311,318.23/238,767.94
  6. Step 6: Final answer
    x = 181,235.85

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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.