Home / 154,401.68-231,151.80-95,059.28

Finding the Fourth Proportional to 154,401.68, 231,151.80 and 95,059.28

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Solution

The fourth proportional to 154,401.68, 231,151.80 and 95,059.28 is: 142,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,401.68 : 231,151.80 = 95,059.28 : x
  2. Step 2: Convert to fraction form
    154,401.68/231,151.80 = 95,059.28/x
  3. Step 3: Cross multiply
    154,401.68x = 231,151.80 × 95,059.28
  4. Step 4: Simplify right side
    154,401.68x = 21,973,123,678.70
  5. Step 5: Solve for x
    x = 21,973,123,678.70/154,401.68
  6. Step 6: Final answer
    x = 142,311.43

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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.