Home / 126,244.65-174,144.15-80,906.52

Finding the Fourth Proportional to 126,244.65, 174,144.15 and 80,906.52

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Solution

The fourth proportional to 126,244.65, 174,144.15 and 80,906.52 is: 111,603.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,244.65 : 174,144.15 = 80,906.52 : x
  2. Step 2: Convert to fraction form
    126,244.65/174,144.15 = 80,906.52/x
  3. Step 3: Cross multiply
    126,244.65x = 174,144.15 × 80,906.52
  4. Step 4: Simplify right side
    126,244.65x = 14,089,397,154.86
  5. Step 5: Solve for x
    x = 14,089,397,154.86/126,244.65
  6. Step 6: Final answer
    x = 111,603.91

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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.