Home / 120,778.32-181,167.48-41,892.60

Finding the Fourth Proportional to 120,778.32, 181,167.48 and 41,892.60

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Solution

The fourth proportional to 120,778.32, 181,167.48 and 41,892.60 is: 62,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,778.32 : 181,167.48 = 41,892.60 : x
  2. Step 2: Convert to fraction form
    120,778.32/181,167.48 = 41,892.60/x
  3. Step 3: Cross multiply
    120,778.32x = 181,167.48 × 41,892.60
  4. Step 4: Simplify right side
    120,778.32x = 7,589,576,772.65
  5. Step 5: Solve for x
    x = 7,589,576,772.65/120,778.32
  6. Step 6: Final answer
    x = 62,838.90

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1.5x scale

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.