Home / 148,242.32-204,574.48-80,259.29

Finding the Fourth Proportional to 148,242.32, 204,574.48 and 80,259.29

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Solution

The fourth proportional to 148,242.32, 204,574.48 and 80,259.29 is: 110,757.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,242.32 : 204,574.48 = 80,259.29 : x
  2. Step 2: Convert to fraction form
    148,242.32/204,574.48 = 80,259.29/x
  3. Step 3: Cross multiply
    148,242.32x = 204,574.48 × 80,259.29
  4. Step 4: Simplify right side
    148,242.32x = 16,419,002,060.55
  5. Step 5: Solve for x
    x = 16,419,002,060.55/148,242.32
  6. Step 6: Final answer
    x = 110,757.86

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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.