Home / 238,621.01-329,299.25-131,191.79

Finding the Fourth Proportional to 238,621.01, 329,299.25 and 131,191.79

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Solution

The fourth proportional to 238,621.01, 329,299.25 and 131,191.79 is: 181,045.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,621.01 : 329,299.25 = 131,191.79 : x
  2. Step 2: Convert to fraction form
    238,621.01/329,299.25 = 131,191.79/x
  3. Step 3: Cross multiply
    238,621.01x = 329,299.25 × 131,191.79
  4. Step 4: Simplify right side
    238,621.01x = 43,201,357,397.20
  5. Step 5: Solve for x
    x = 43,201,357,397.20/238,621.01
  6. Step 6: Final answer
    x = 181,045.91

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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.