Home / 126,825.12-175,020.48-73,109.16

Finding the Fourth Proportional to 126,825.12, 175,020.48 and 73,109.16

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Solution

The fourth proportional to 126,825.12, 175,020.48 and 73,109.16 is: 100,891.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,825.12 : 175,020.48 = 73,109.16 : x
  2. Step 2: Convert to fraction form
    126,825.12/175,020.48 = 73,109.16/x
  3. Step 3: Cross multiply
    126,825.12x = 175,020.48 × 73,109.16
  4. Step 4: Simplify right side
    126,825.12x = 12,795,600,275.60
  5. Step 5: Solve for x
    x = 12,795,600,275.60/126,825.12
  6. Step 6: Final answer
    x = 100,891.69

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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.