Home / 126,741.97-174,942.86-73,062.87

Finding the Fourth Proportional to 126,741.97, 174,942.86 and 73,062.87

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Solution

The fourth proportional to 126,741.97, 174,942.86 and 73,062.87 is: 100,849.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,741.97 : 174,942.86 = 73,062.87 : x
  2. Step 2: Convert to fraction form
    126,741.97/174,942.86 = 73,062.87/x
  3. Step 3: Cross multiply
    126,741.97x = 174,942.86 × 73,062.87
  4. Step 4: Simplify right side
    126,741.97x = 12,781,827,072.29
  5. Step 5: Solve for x
    x = 12,781,827,072.29/126,741.97
  6. Step 6: Final answer
    x = 100,849.21

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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.