Home / 232,359.20-348,531.60-66,147.20

Finding the Fourth Proportional to 232,359.20, 348,531.60 and 66,147.20

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Solution

The fourth proportional to 232,359.20, 348,531.60 and 66,147.20 is: 99,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,359.20 : 348,531.60 = 66,147.20 : x
  2. Step 2: Convert to fraction form
    232,359.20/348,531.60 = 66,147.20/x
  3. Step 3: Cross multiply
    232,359.20x = 348,531.60 × 66,147.20
  4. Step 4: Simplify right side
    232,359.20x = 23,054,389,451.52
  5. Step 5: Solve for x
    x = 23,054,389,451.52/232,359.20
  6. Step 6: Final answer
    x = 99,218.75

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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.