Home / 134,535.38-185,658.83-77,979.56

Finding the Fourth Proportional to 134,535.38, 185,658.83 and 77,979.56

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Solution

The fourth proportional to 134,535.38, 185,658.83 and 77,979.56 is: 107,611.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,535.38 : 185,658.83 = 77,979.56 : x
  2. Step 2: Convert to fraction form
    134,535.38/185,658.83 = 77,979.56/x
  3. Step 3: Cross multiply
    134,535.38x = 185,658.83 × 77,979.56
  4. Step 4: Simplify right side
    134,535.38x = 14,477,592,555.32
  5. Step 5: Solve for x
    x = 14,477,592,555.32/134,535.38
  6. Step 6: Final answer
    x = 107,611.79

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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.