Home / 153,243.10-229,862.34-68,943.73

Finding the Fourth Proportional to 153,243.10, 229,862.34 and 68,943.73

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Solution

The fourth proportional to 153,243.10, 229,862.34 and 68,943.73 is: 103,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,243.10 : 229,862.34 = 68,943.73 : x
  2. Step 2: Convert to fraction form
    153,243.10/229,862.34 = 68,943.73/x
  3. Step 3: Cross multiply
    153,243.10x = 229,862.34 × 68,943.73
  4. Step 4: Simplify right side
    153,243.10x = 15,847,566,186.75
  5. Step 5: Solve for x
    x = 15,847,566,186.75/153,243.10
  6. Step 6: Final answer
    x = 103,414.55

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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.