Home / 234,118.28-351,188.70-76,346.44

Finding the Fourth Proportional to 234,118.28, 351,188.70 and 76,346.44

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Solution

The fourth proportional to 234,118.28, 351,188.70 and 76,346.44 is: 114,523.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,118.28 : 351,188.70 = 76,346.44 : x
  2. Step 2: Convert to fraction form
    234,118.28/351,188.70 = 76,346.44/x
  3. Step 3: Cross multiply
    234,118.28x = 351,188.70 × 76,346.44
  4. Step 4: Simplify right side
    234,118.28x = 26,812,007,013.23
  5. Step 5: Solve for x
    x = 26,812,007,013.23/234,118.28
  6. Step 6: Final answer
    x = 114,523.34

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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.