Home / 132,044.88-182,245.24-78,359.50

Finding the Fourth Proportional to 132,044.88, 182,245.24 and 78,359.50

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Solution

The fourth proportional to 132,044.88, 182,245.24 and 78,359.50 is: 108,149.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,044.88 : 182,245.24 = 78,359.50 : x
  2. Step 2: Convert to fraction form
    132,044.88/182,245.24 = 78,359.50/x
  3. Step 3: Cross multiply
    132,044.88x = 182,245.24 × 78,359.50
  4. Step 4: Simplify right side
    132,044.88x = 14,280,645,883.78
  5. Step 5: Solve for x
    x = 14,280,645,883.78/132,044.88
  6. Step 6: Final answer
    x = 108,149.94

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1.5x scale

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.