Home / 150,479.12-225,691.32-45,269.84

Finding the Fourth Proportional to 150,479.12, 225,691.32 and 45,269.84

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Solution

The fourth proportional to 150,479.12, 225,691.32 and 45,269.84 is: 67,896.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,479.12 : 225,691.32 = 45,269.84 : x
  2. Step 2: Convert to fraction form
    150,479.12/225,691.32 = 45,269.84/x
  3. Step 3: Cross multiply
    150,479.12x = 225,691.32 × 45,269.84
  4. Step 4: Simplify right side
    150,479.12x = 10,217,009,945.79
  5. Step 5: Solve for x
    x = 10,217,009,945.79/150,479.12
  6. Step 6: Final answer
    x = 67,896.53

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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.