Home / 125,839.40-188,627.87-51,011.19

Finding the Fourth Proportional to 125,839.40, 188,627.87 and 51,011.19

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Solution

The fourth proportional to 125,839.40, 188,627.87 and 51,011.19 is: 76,463.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,839.40 : 188,627.87 = 51,011.19 : x
  2. Step 2: Convert to fraction form
    125,839.40/188,627.87 = 51,011.19/x
  3. Step 3: Cross multiply
    125,839.40x = 188,627.87 × 51,011.19
  4. Step 4: Simplify right side
    125,839.40x = 9,622,132,243.39
  5. Step 5: Solve for x
    x = 9,622,132,243.39/125,839.40
  6. Step 6: Final answer
    x = 76,463.59

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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.