Home / 140,884.04-194,439.92-87,186.39

Finding the Fourth Proportional to 140,884.04, 194,439.92 and 87,186.39

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Solution

The fourth proportional to 140,884.04, 194,439.92 and 87,186.39 is: 120,329.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,884.04 : 194,439.92 = 87,186.39 : x
  2. Step 2: Convert to fraction form
    140,884.04/194,439.92 = 87,186.39/x
  3. Step 3: Cross multiply
    140,884.04x = 194,439.92 × 87,186.39
  4. Step 4: Simplify right side
    140,884.04x = 16,952,514,260.76
  5. Step 5: Solve for x
    x = 16,952,514,260.76/140,884.04
  6. Step 6: Final answer
    x = 120,329.56

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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.