Home / 154,401.18-231,151.05-95,058.78

Finding the Fourth Proportional to 154,401.18, 231,151.05 and 95,058.78

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Solution

The fourth proportional to 154,401.18, 231,151.05 and 95,058.78 is: 142,310.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,401.18 : 231,151.05 = 95,058.78 : x
  2. Step 2: Convert to fraction form
    154,401.18/231,151.05 = 95,058.78/x
  3. Step 3: Cross multiply
    154,401.18x = 231,151.05 × 95,058.78
  4. Step 4: Simplify right side
    154,401.18x = 21,972,936,808.72
  5. Step 5: Solve for x
    x = 21,972,936,808.72/154,401.18
  6. Step 6: Final answer
    x = 142,310.68

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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.