Home / 125,377.11-188,130.33-83,286.27

Finding the Fourth Proportional to 125,377.11, 188,130.33 and 83,286.27

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Solution

The fourth proportional to 125,377.11, 188,130.33 and 83,286.27 is: 124,972.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,377.11 : 188,130.33 = 83,286.27 : x
  2. Step 2: Convert to fraction form
    125,377.11/188,130.33 = 83,286.27/x
  3. Step 3: Cross multiply
    125,377.11x = 188,130.33 × 83,286.27
  4. Step 4: Simplify right side
    125,377.11x = 15,668,673,459.57
  5. Step 5: Solve for x
    x = 15,668,673,459.57/125,377.11
  6. Step 6: Final answer
    x = 124,972.36

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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.