Home / 118,121.90-177,169.88-42,204.24

Finding the Fourth Proportional to 118,121.90, 177,169.88 and 42,204.24

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Solution

The fourth proportional to 118,121.90, 177,169.88 and 42,204.24 is: 63,301.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,121.90 : 177,169.88 = 42,204.24 : x
  2. Step 2: Convert to fraction form
    118,121.90/177,169.88 = 42,204.24/x
  3. Step 3: Cross multiply
    118,121.90x = 177,169.88 × 42,204.24
  4. Step 4: Simplify right side
    118,121.90x = 7,477,320,241.80
  5. Step 5: Solve for x
    x = 7,477,320,241.80/118,121.90
  6. Step 6: Final answer
    x = 63,301.73

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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.