Home / 125,704.64-188,302.20-58,140.80

Finding the Fourth Proportional to 125,704.64, 188,302.20 and 58,140.80

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Solution

The fourth proportional to 125,704.64, 188,302.20 and 58,140.80 is: 87,093.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,704.64 : 188,302.20 = 58,140.80 : x
  2. Step 2: Convert to fraction form
    125,704.64/188,302.20 = 58,140.80/x
  3. Step 3: Cross multiply
    125,704.64x = 188,302.20 × 58,140.80
  4. Step 4: Simplify right side
    125,704.64x = 10,948,040,549.76
  5. Step 5: Solve for x
    x = 10,948,040,549.76/125,704.64
  6. Step 6: Final answer
    x = 87,093.37

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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.