Home / 153,351.18-230,083.86-69,086.04

Finding the Fourth Proportional to 153,351.18, 230,083.86 and 69,086.04

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Solution

The fourth proportional to 153,351.18, 230,083.86 and 69,086.04 is: 103,654.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,351.18 : 230,083.86 = 69,086.04 : x
  2. Step 2: Convert to fraction form
    153,351.18/230,083.86 = 69,086.04/x
  3. Step 3: Cross multiply
    153,351.18x = 230,083.86 × 69,086.04
  4. Step 4: Simplify right side
    153,351.18x = 15,895,582,755.31
  5. Step 5: Solve for x
    x = 15,895,582,755.31/153,351.18
  6. Step 6: Final answer
    x = 103,654.78

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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.