Home / 140,595.32-194,023.68-76,939.04

Finding the Fourth Proportional to 140,595.32, 194,023.68 and 76,939.04

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Solution

The fourth proportional to 140,595.32, 194,023.68 and 76,939.04 is: 106,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,595.32 : 194,023.68 = 76,939.04 : x
  2. Step 2: Convert to fraction form
    140,595.32/194,023.68 = 76,939.04/x
  3. Step 3: Cross multiply
    140,595.32x = 194,023.68 × 76,939.04
  4. Step 4: Simplify right side
    140,595.32x = 14,927,995,676.47
  5. Step 5: Solve for x
    x = 14,927,995,676.47/140,595.32
  6. Step 6: Final answer
    x = 106,177.05

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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.