Home / 244,887.60-367,331.40-87,121.20

Finding the Fourth Proportional to 244,887.60, 367,331.40 and 87,121.20

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Solution

The fourth proportional to 244,887.60, 367,331.40 and 87,121.20 is: 130,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,887.60 : 367,331.40 = 87,121.20 : x
  2. Step 2: Convert to fraction form
    244,887.60/367,331.40 = 87,121.20/x
  3. Step 3: Cross multiply
    244,887.60x = 367,331.40 × 87,121.20
  4. Step 4: Simplify right side
    244,887.60x = 32,002,352,365.68
  5. Step 5: Solve for x
    x = 32,002,352,365.68/244,887.60
  6. Step 6: Final answer
    x = 130,681.80

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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.