Home / 132,330.08-182,609.52-78,617.44

Finding the Fourth Proportional to 132,330.08, 182,609.52 and 78,617.44

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Solution

The fourth proportional to 132,330.08, 182,609.52 and 78,617.44 is: 108,488.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,330.08 : 182,609.52 = 78,617.44 : x
  2. Step 2: Convert to fraction form
    132,330.08/182,609.52 = 78,617.44/x
  3. Step 3: Cross multiply
    132,330.08x = 182,609.52 × 78,617.44
  4. Step 4: Simplify right side
    132,330.08x = 14,356,292,982.03
  5. Step 5: Solve for x
    x = 14,356,292,982.03/132,330.08
  6. Step 6: Final answer
    x = 108,488.51

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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.