Home / 232,340.78-348,531.96-90,182.72

Finding the Fourth Proportional to 232,340.78, 348,531.96 and 90,182.72

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Solution

The fourth proportional to 232,340.78, 348,531.96 and 90,182.72 is: 135,282.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,340.78 : 348,531.96 = 90,182.72 : x
  2. Step 2: Convert to fraction form
    232,340.78/348,531.96 = 90,182.72/x
  3. Step 3: Cross multiply
    232,340.78x = 348,531.96 × 90,182.72
  4. Step 4: Simplify right side
    232,340.78x = 31,431,560,159.73
  5. Step 5: Solve for x
    x = 31,431,560,159.73/232,340.78
  6. Step 6: Final answer
    x = 135,282.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.