Home / 177,500.70-266,445.45-111,015.90

Finding the Fourth Proportional to 177,500.70, 266,445.45 and 111,015.90

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Solution

The fourth proportional to 177,500.70, 266,445.45 and 111,015.90 is: 166,645.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,500.70 : 266,445.45 = 111,015.90 : x
  2. Step 2: Convert to fraction form
    177,500.70/266,445.45 = 111,015.90/x
  3. Step 3: Cross multiply
    177,500.70x = 266,445.45 × 111,015.90
  4. Step 4: Simplify right side
    177,500.70x = 29,579,681,432.66
  5. Step 5: Solve for x
    x = 29,579,681,432.66/177,500.70
  6. Step 6: Final answer
    x = 166,645.44

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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.