Home / 126,766.72-190,121.28-56,608

Finding the Fourth Proportional to 126,766.72, 190,121.28 and 56,608

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Solution

The fourth proportional to 126,766.72, 190,121.28 and 56,608 is: 84,899.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,766.72 : 190,121.28 = 56,608 : x
  2. Step 2: Convert to fraction form
    126,766.72/190,121.28 = 56,608/x
  3. Step 3: Cross multiply
    126,766.72x = 190,121.28 × 56,608
  4. Step 4: Simplify right side
    126,766.72x = 10,762,385,418.24
  5. Step 5: Solve for x
    x = 10,762,385,418.24/126,766.72
  6. Step 6: Final answer
    x = 84,899.14

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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.