Home / 132,595.32-182,949.61-78,149.66

Finding the Fourth Proportional to 132,595.32, 182,949.61 and 78,149.66

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Solution

The fourth proportional to 132,595.32, 182,949.61 and 78,149.66 is: 107,827.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,595.32 : 182,949.61 = 78,149.66 : x
  2. Step 2: Convert to fraction form
    132,595.32/182,949.61 = 78,149.66/x
  3. Step 3: Cross multiply
    132,595.32x = 182,949.61 × 78,149.66
  4. Step 4: Simplify right side
    132,595.32x = 14,297,449,818.63
  5. Step 5: Solve for x
    x = 14,297,449,818.63/132,595.32
  6. Step 6: Final answer
    x = 107,827.71

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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.