Home / 151,142.10-226,648.35-76,233.30

Finding the Fourth Proportional to 151,142.10, 226,648.35 and 76,233.30

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Solution

The fourth proportional to 151,142.10, 226,648.35 and 76,233.30 is: 114,317.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,142.10 : 226,648.35 = 76,233.30 : x
  2. Step 2: Convert to fraction form
    151,142.10/226,648.35 = 76,233.30/x
  3. Step 3: Cross multiply
    151,142.10x = 226,648.35 × 76,233.30
  4. Step 4: Simplify right side
    151,142.10x = 17,278,151,660.06
  5. Step 5: Solve for x
    x = 17,278,151,660.06/151,142.10
  6. Step 6: Final answer
    x = 114,317.27

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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.