Home / 132,046.56-182,165.28-78,333.84

Finding the Fourth Proportional to 132,046.56, 182,165.28 and 78,333.84

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Solution

The fourth proportional to 132,046.56, 182,165.28 and 78,333.84 is: 108,065.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,046.56 : 182,165.28 = 78,333.84 : x
  2. Step 2: Convert to fraction form
    132,046.56/182,165.28 = 78,333.84/x
  3. Step 3: Cross multiply
    132,046.56x = 182,165.28 × 78,333.84
  4. Step 4: Simplify right side
    132,046.56x = 14,269,705,897.08
  5. Step 5: Solve for x
    x = 14,269,705,897.08/132,046.56
  6. Step 6: Final answer
    x = 108,065.71

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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.