Home / 107,760.30-161,640.45-41,202.60

Finding the Fourth Proportional to 107,760.30, 161,640.45 and 41,202.60

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Solution

The fourth proportional to 107,760.30, 161,640.45 and 41,202.60 is: 61,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,760.30 : 161,640.45 = 41,202.60 : x
  2. Step 2: Convert to fraction form
    107,760.30/161,640.45 = 41,202.60/x
  3. Step 3: Cross multiply
    107,760.30x = 161,640.45 × 41,202.60
  4. Step 4: Simplify right side
    107,760.30x = 6,660,006,805.17
  5. Step 5: Solve for x
    x = 6,660,006,805.17/107,760.30
  6. Step 6: Final answer
    x = 61,803.90

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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.