Home / 132,348.24-182,621.16-78,635.52

Finding the Fourth Proportional to 132,348.24, 182,621.16 and 78,635.52

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Solution

The fourth proportional to 132,348.24, 182,621.16 and 78,635.52 is: 108,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,348.24 : 182,621.16 = 78,635.52 : x
  2. Step 2: Convert to fraction form
    132,348.24/182,621.16 = 78,635.52/x
  3. Step 3: Cross multiply
    132,348.24x = 182,621.16 × 78,635.52
  4. Step 4: Simplify right side
    132,348.24x = 14,360,509,879.60
  5. Step 5: Solve for x
    x = 14,360,509,879.60/132,348.24
  6. Step 6: Final answer
    x = 108,505.48

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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.