Home / 134,732.20-185,966.28-79,589.82

Finding the Fourth Proportional to 134,732.20, 185,966.28 and 79,589.82

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Solution

The fourth proportional to 134,732.20, 185,966.28 and 79,589.82 is: 109,855.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,732.20 : 185,966.28 = 79,589.82 : x
  2. Step 2: Convert to fraction form
    134,732.20/185,966.28 = 79,589.82/x
  3. Step 3: Cross multiply
    134,732.20x = 185,966.28 × 79,589.82
  4. Step 4: Simplify right side
    134,732.20x = 14,801,022,751.27
  5. Step 5: Solve for x
    x = 14,801,022,751.27/134,732.20
  6. Step 6: Final answer
    x = 109,855.13

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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.