Home / 185,741.64-278,651.04-84,491.52

Finding the Fourth Proportional to 185,741.64, 278,651.04 and 84,491.52

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Solution

The fourth proportional to 185,741.64, 278,651.04 and 84,491.52 is: 126,754.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,741.64 : 278,651.04 = 84,491.52 : x
  2. Step 2: Convert to fraction form
    185,741.64/278,651.04 = 84,491.52/x
  3. Step 3: Cross multiply
    185,741.64x = 278,651.04 × 84,491.52
  4. Step 4: Simplify right side
    185,741.64x = 23,543,649,919.18
  5. Step 5: Solve for x
    x = 23,543,649,919.18/185,741.64
  6. Step 6: Final answer
    x = 126,754.83

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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.