Home / 140,882.18-194,437.34-87,184.49

Finding the Fourth Proportional to 140,882.18, 194,437.34 and 87,184.49

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Solution

The fourth proportional to 140,882.18, 194,437.34 and 87,184.49 is: 120,326.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,882.18 : 194,437.34 = 87,184.49 : x
  2. Step 2: Convert to fraction form
    140,882.18/194,437.34 = 87,184.49/x
  3. Step 3: Cross multiply
    140,882.18x = 194,437.34 × 87,184.49
  4. Step 4: Simplify right side
    140,882.18x = 16,951,921,028.91
  5. Step 5: Solve for x
    x = 16,951,921,028.91/140,882.18
  6. Step 6: Final answer
    x = 120,326.93

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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.