Home / 125,943.30-188,958.15-55,872.90

Finding the Fourth Proportional to 125,943.30, 188,958.15 and 55,872.90

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Solution

The fourth proportional to 125,943.30, 188,958.15 and 55,872.90 is: 83,828.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,943.30 : 188,958.15 = 55,872.90 : x
  2. Step 2: Convert to fraction form
    125,943.30/188,958.15 = 55,872.90/x
  3. Step 3: Cross multiply
    125,943.30x = 188,958.15 × 55,872.90
  4. Step 4: Simplify right side
    125,943.30x = 10,557,639,819.14
  5. Step 5: Solve for x
    x = 10,557,639,819.14/125,943.30
  6. Step 6: Final answer
    x = 83,828.52

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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.