Home / 229,135.80-343,565.63-102,753.20

Finding the Fourth Proportional to 229,135.80, 343,565.63 and 102,753.20

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Solution

The fourth proportional to 229,135.80, 343,565.63 and 102,753.20 is: 154,067.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,135.80 : 343,565.63 = 102,753.20 : x
  2. Step 2: Convert to fraction form
    229,135.80/343,565.63 = 102,753.20/x
  3. Step 3: Cross multiply
    229,135.80x = 343,565.63 × 102,753.20
  4. Step 4: Simplify right side
    229,135.80x = 35,302,465,660.92
  5. Step 5: Solve for x
    x = 35,302,465,660.92/229,135.80
  6. Step 6: Final answer
    x = 154,067.87

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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.