Home / 120,932.85-181,399.68-36,693.69

Finding the Fourth Proportional to 120,932.85, 181,399.68 and 36,693.69

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Solution

The fourth proportional to 120,932.85, 181,399.68 and 36,693.69 is: 55,040.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,932.85 : 181,399.68 = 36,693.69 : x
  2. Step 2: Convert to fraction form
    120,932.85/181,399.68 = 36,693.69/x
  3. Step 3: Cross multiply
    120,932.85x = 181,399.68 × 36,693.69
  4. Step 4: Simplify right side
    120,932.85x = 6,656,223,624.02
  5. Step 5: Solve for x
    x = 6,656,223,624.02/120,932.85
  6. Step 6: Final answer
    x = 55,040.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.