Home / 144,062.72-198,998.40-115,874.56

Finding the Fourth Proportional to 144,062.72, 198,998.40 and 115,874.56

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Solution

The fourth proportional to 144,062.72, 198,998.40 and 115,874.56 is: 160,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,062.72 : 198,998.40 = 115,874.56 : x
  2. Step 2: Convert to fraction form
    144,062.72/198,998.40 = 115,874.56/x
  3. Step 3: Cross multiply
    144,062.72x = 198,998.40 × 115,874.56
  4. Step 4: Simplify right side
    144,062.72x = 23,058,852,040.70
  5. Step 5: Solve for x
    x = 23,058,852,040.70/144,062.72
  6. Step 6: Final answer
    x = 160,061.20

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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.