Home / 148,574.16-205,028.82-80,589.24

Finding the Fourth Proportional to 148,574.16, 205,028.82 and 80,589.24

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Solution

The fourth proportional to 148,574.16, 205,028.82 and 80,589.24 is: 111,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,574.16 : 205,028.82 = 80,589.24 : x
  2. Step 2: Convert to fraction form
    148,574.16/205,028.82 = 80,589.24/x
  3. Step 3: Cross multiply
    148,574.16x = 205,028.82 × 80,589.24
  4. Step 4: Simplify right side
    148,574.16x = 16,523,116,781.90
  5. Step 5: Solve for x
    x = 16,523,116,781.90/148,574.16
  6. Step 6: Final answer
    x = 111,211.24

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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.