Home / 150,029.64-225,155.22-71,144.13

Finding the Fourth Proportional to 150,029.64, 225,155.22 and 71,144.13

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Solution

The fourth proportional to 150,029.64, 225,155.22 and 71,144.13 is: 106,768.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,029.64 : 225,155.22 = 71,144.13 : x
  2. Step 2: Convert to fraction form
    150,029.64/225,155.22 = 71,144.13/x
  3. Step 3: Cross multiply
    150,029.64x = 225,155.22 × 71,144.13
  4. Step 4: Simplify right side
    150,029.64x = 16,018,472,241.86
  5. Step 5: Solve for x
    x = 16,018,472,241.86/150,029.64
  6. Step 6: Final answer
    x = 106,768.72

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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.