Home / 126,826.84-175,020.66-71,630.12

Finding the Fourth Proportional to 126,826.84, 175,020.66 and 71,630.12

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Solution

The fourth proportional to 126,826.84, 175,020.66 and 71,630.12 is: 98,849.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,826.84 : 175,020.66 = 71,630.12 : x
  2. Step 2: Convert to fraction form
    126,826.84/175,020.66 = 71,630.12/x
  3. Step 3: Cross multiply
    126,826.84x = 175,020.66 × 71,630.12
  4. Step 4: Simplify right side
    126,826.84x = 12,536,750,659.50
  5. Step 5: Solve for x
    x = 12,536,750,659.50/126,826.84
  6. Step 6: Final answer
    x = 98,849.35

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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.