Home / 126,906.16-175,126.70-69,544.80

Finding the Fourth Proportional to 126,906.16, 175,126.70 and 69,544.80

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Solution

The fourth proportional to 126,906.16, 175,126.70 and 69,544.80 is: 95,969.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,906.16 : 175,126.70 = 69,544.80 : x
  2. Step 2: Convert to fraction form
    126,906.16/175,126.70 = 69,544.80/x
  3. Step 3: Cross multiply
    126,906.16x = 175,126.70 × 69,544.80
  4. Step 4: Simplify right side
    126,906.16x = 12,179,151,326.16
  5. Step 5: Solve for x
    x = 12,179,151,326.16/126,906.16
  6. Step 6: Final answer
    x = 95,969.74

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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.