Home / 125,963.20-188,941.60-51,063.28

Finding the Fourth Proportional to 125,963.20, 188,941.60 and 51,063.28

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Solution

The fourth proportional to 125,963.20, 188,941.60 and 51,063.28 is: 76,593.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,963.20 : 188,941.60 = 51,063.28 : x
  2. Step 2: Convert to fraction form
    125,963.20/188,941.60 = 51,063.28/x
  3. Step 3: Cross multiply
    125,963.20x = 188,941.60 × 51,063.28
  4. Step 4: Simplify right side
    125,963.20x = 9,647,977,824.45
  5. Step 5: Solve for x
    x = 9,647,977,824.45/125,963.20
  6. Step 6: Final answer
    x = 76,593.62

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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.