Home / 132,523.24-182,821.83-78,777.73

Finding the Fourth Proportional to 132,523.24, 182,821.83 and 78,777.73

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Solution

The fourth proportional to 132,523.24, 182,821.83 and 78,777.73 is: 108,677.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,523.24 : 182,821.83 = 78,777.73 : x
  2. Step 2: Convert to fraction form
    132,523.24/182,821.83 = 78,777.73/x
  3. Step 3: Cross multiply
    132,523.24x = 182,821.83 × 78,777.73
  4. Step 4: Simplify right side
    132,523.24x = 14,402,288,761.85
  5. Step 5: Solve for x
    x = 14,402,288,761.85/132,523.24
  6. Step 6: Final answer
    x = 108,677.46

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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.