Home / 126,845.75-175,052.70-70,257.13

Finding the Fourth Proportional to 126,845.75, 175,052.70 and 70,257.13

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Solution

The fourth proportional to 126,845.75, 175,052.70 and 70,257.13 is: 96,957.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,845.75 : 175,052.70 = 70,257.13 : x
  2. Step 2: Convert to fraction form
    126,845.75/175,052.70 = 70,257.13/x
  3. Step 3: Cross multiply
    126,845.75x = 175,052.70 × 70,257.13
  4. Step 4: Simplify right side
    126,845.75x = 12,298,700,300.75
  5. Step 5: Solve for x
    x = 12,298,700,300.75/126,845.75
  6. Step 6: Final answer
    x = 96,957.92

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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.