Home / 234,131.18-351,161.12-76,359.38

Finding the Fourth Proportional to 234,131.18, 351,161.12 and 76,359.38

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Solution

The fourth proportional to 234,131.18, 351,161.12 and 76,359.38 is: 114,527.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,131.18 : 351,161.12 = 76,359.38 : x
  2. Step 2: Convert to fraction form
    234,131.18/351,161.12 = 76,359.38/x
  3. Step 3: Cross multiply
    234,131.18x = 351,161.12 × 76,359.38
  4. Step 4: Simplify right side
    234,131.18x = 26,814,443,838.40
  5. Step 5: Solve for x
    x = 26,814,443,838.40/234,131.18
  6. Step 6: Final answer
    x = 114,527.44

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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.