Home / 177,559.10-266,338.65-111,203.90

Finding the Fourth Proportional to 177,559.10, 266,338.65 and 111,203.90

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Solution

The fourth proportional to 177,559.10, 266,338.65 and 111,203.90 is: 166,805.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,559.10 : 266,338.65 = 111,203.90 : x
  2. Step 2: Convert to fraction form
    177,559.10/266,338.65 = 111,203.90/x
  3. Step 3: Cross multiply
    177,559.10x = 266,338.65 × 111,203.90
  4. Step 4: Simplify right side
    177,559.10x = 29,617,896,600.74
  5. Step 5: Solve for x
    x = 29,617,896,600.74/177,559.10
  6. Step 6: Final answer
    x = 166,805.85

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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.