Home / 268,422.80-402,338.96-110,565.14

Finding the Fourth Proportional to 268,422.80, 402,338.96 and 110,565.14

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Solution

The fourth proportional to 268,422.80, 402,338.96 and 110,565.14 is: 165,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,422.80 : 402,338.96 = 110,565.14 : x
  2. Step 2: Convert to fraction form
    268,422.80/402,338.96 = 110,565.14/x
  3. Step 3: Cross multiply
    268,422.80x = 402,338.96 × 110,565.14
  4. Step 4: Simplify right side
    268,422.80x = 44,484,663,439.85
  5. Step 5: Solve for x
    x = 44,484,663,439.85/268,422.80
  6. Step 6: Final answer
    x = 165,726.10

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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.