Home / 126,841.28-175,026.84-70,238.48

Finding the Fourth Proportional to 126,841.28, 175,026.84 and 70,238.48

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Solution

The fourth proportional to 126,841.28, 175,026.84 and 70,238.48 is: 96,921.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,841.28 : 175,026.84 = 70,238.48 : x
  2. Step 2: Convert to fraction form
    126,841.28/175,026.84 = 70,238.48/x
  3. Step 3: Cross multiply
    126,841.28x = 175,026.84 × 70,238.48
  4. Step 4: Simplify right side
    126,841.28x = 12,293,619,200.80
  5. Step 5: Solve for x
    x = 12,293,619,200.80/126,841.28
  6. Step 6: Final answer
    x = 96,921.28

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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.