Home / 150,473.18-225,691.32-87,327.66

Finding the Fourth Proportional to 150,473.18, 225,691.32 and 87,327.66

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Solution

The fourth proportional to 150,473.18, 225,691.32 and 87,327.66 is: 130,980.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,473.18 : 225,691.32 = 87,327.66 : x
  2. Step 2: Convert to fraction form
    150,473.18/225,691.32 = 87,327.66/x
  3. Step 3: Cross multiply
    150,473.18x = 225,691.32 × 87,327.66
  4. Step 4: Simplify right side
    150,473.18x = 19,709,094,857.91
  5. Step 5: Solve for x
    x = 19,709,094,857.91/150,473.18
  6. Step 6: Final answer
    x = 130,980.78

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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.