Home / 188,577.18-260,221.05-111,040.56

Finding the Fourth Proportional to 188,577.18, 260,221.05 and 111,040.56

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Solution

The fourth proportional to 188,577.18, 260,221.05 and 111,040.56 is: 153,226.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,577.18 : 260,221.05 = 111,040.56 : x
  2. Step 2: Convert to fraction form
    188,577.18/260,221.05 = 111,040.56/x
  3. Step 3: Cross multiply
    188,577.18x = 260,221.05 × 111,040.56
  4. Step 4: Simplify right side
    188,577.18x = 28,895,091,115.79
  5. Step 5: Solve for x
    x = 28,895,091,115.79/188,577.18
  6. Step 6: Final answer
    x = 153,226.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.