Home / 126,919.84-175,149.38-70,331.22

Finding the Fourth Proportional to 126,919.84, 175,149.38 and 70,331.22

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Solution

The fourth proportional to 126,919.84, 175,149.38 and 70,331.22 is: 97,057.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,919.84 : 175,149.38 = 70,331.22 : x
  2. Step 2: Convert to fraction form
    126,919.84/175,149.38 = 70,331.22/x
  3. Step 3: Cross multiply
    126,919.84x = 175,149.38 × 70,331.22
  4. Step 4: Simplify right side
    126,919.84x = 12,318,469,577.64
  5. Step 5: Solve for x
    x = 12,318,469,577.64/126,919.84
  6. Step 6: Final answer
    x = 97,057.08

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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.