Home / 126,928.24-175,162.44-70,340.56

Finding the Fourth Proportional to 126,928.24, 175,162.44 and 70,340.56

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Solution

The fourth proportional to 126,928.24, 175,162.44 and 70,340.56 is: 97,070.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,928.24 : 175,162.44 = 70,340.56 : x
  2. Step 2: Convert to fraction form
    126,928.24/175,162.44 = 70,340.56/x
  3. Step 3: Cross multiply
    126,928.24x = 175,162.44 × 70,340.56
  4. Step 4: Simplify right side
    126,928.24x = 12,321,024,120.57
  5. Step 5: Solve for x
    x = 12,321,024,120.57/126,928.24
  6. Step 6: Final answer
    x = 97,070.79

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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.