Home / 234,117.28-351,187.20-76,345.44

Finding the Fourth Proportional to 234,117.28, 351,187.20 and 76,345.44

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Solution

The fourth proportional to 234,117.28, 351,187.20 and 76,345.44 is: 114,521.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,117.28 : 351,187.20 = 76,345.44 : x
  2. Step 2: Convert to fraction form
    234,117.28/351,187.20 = 76,345.44/x
  3. Step 3: Cross multiply
    234,117.28x = 351,187.20 × 76,345.44
  4. Step 4: Simplify right side
    234,117.28x = 26,811,541,306.37
  5. Step 5: Solve for x
    x = 26,811,541,306.37/234,117.28
  6. Step 6: Final answer
    x = 114,521.84

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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.