Home / 115,227.40-172,812.30-44,134.60

Finding the Fourth Proportional to 115,227.40, 172,812.30 and 44,134.60

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Solution

The fourth proportional to 115,227.40, 172,812.30 and 44,134.60 is: 66,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,227.40 : 172,812.30 = 44,134.60 : x
  2. Step 2: Convert to fraction form
    115,227.40/172,812.30 = 44,134.60/x
  3. Step 3: Cross multiply
    115,227.40x = 172,812.30 × 44,134.60
  4. Step 4: Simplify right side
    115,227.40x = 7,627,001,735.58
  5. Step 5: Solve for x
    x = 7,627,001,735.58/115,227.40
  6. Step 6: Final answer
    x = 66,190.87

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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.