Home / 125,615.58-188,449.33-41,380.86

Finding the Fourth Proportional to 125,615.58, 188,449.33 and 41,380.86

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Solution

The fourth proportional to 125,615.58, 188,449.33 and 41,380.86 is: 62,079.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,615.58 : 188,449.33 = 41,380.86 : x
  2. Step 2: Convert to fraction form
    125,615.58/188,449.33 = 41,380.86/x
  3. Step 3: Cross multiply
    125,615.58x = 188,449.33 × 41,380.86
  4. Step 4: Simplify right side
    125,615.58x = 7,798,195,341.82
  5. Step 5: Solve for x
    x = 7,798,195,341.82/125,615.58
  6. Step 6: Final answer
    x = 62,079.84

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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.