Home / 234,540.64-351,737.07-76,732.30

Finding the Fourth Proportional to 234,540.64, 351,737.07 and 76,732.30

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Solution

The fourth proportional to 234,540.64, 351,737.07 and 76,732.30 is: 115,074.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,540.64 : 351,737.07 = 76,732.30 : x
  2. Step 2: Convert to fraction form
    234,540.64/351,737.07 = 76,732.30/x
  3. Step 3: Cross multiply
    234,540.64x = 351,737.07 × 76,732.30
  4. Step 4: Simplify right side
    234,540.64x = 26,989,594,376.36
  5. Step 5: Solve for x
    x = 26,989,594,376.36/234,540.64
  6. Step 6: Final answer
    x = 115,074.28

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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.