Home / 126,211.50-174,175.14-68,851.76

Finding the Fourth Proportional to 126,211.50, 174,175.14 and 68,851.76

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Solution

The fourth proportional to 126,211.50, 174,175.14 and 68,851.76 is: 95,017.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,211.50 : 174,175.14 = 68,851.76 : x
  2. Step 2: Convert to fraction form
    126,211.50/174,175.14 = 68,851.76/x
  3. Step 3: Cross multiply
    126,211.50x = 174,175.14 × 68,851.76
  4. Step 4: Simplify right side
    126,211.50x = 11,992,264,324.56
  5. Step 5: Solve for x
    x = 11,992,264,324.56/126,211.50
  6. Step 6: Final answer
    x = 95,017.21

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1.5x scale

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.