Home / 238,780.67-329,510.30-131,350.64

Finding the Fourth Proportional to 238,780.67, 329,510.30 and 131,350.64

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Solution

The fourth proportional to 238,780.67, 329,510.30 and 131,350.64 is: 181,260.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,780.67 : 329,510.30 = 131,350.64 : x
  2. Step 2: Convert to fraction form
    238,780.67/329,510.30 = 131,350.64/x
  3. Step 3: Cross multiply
    238,780.67x = 329,510.30 × 131,350.64
  4. Step 4: Simplify right side
    238,780.67x = 43,281,386,487.29
  5. Step 5: Solve for x
    x = 43,281,386,487.29/238,780.67
  6. Step 6: Final answer
    x = 181,260.01

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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.