Home / 126,949.92-175,190.50-70,361.28

Finding the Fourth Proportional to 126,949.92, 175,190.50 and 70,361.28

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Solution

The fourth proportional to 126,949.92, 175,190.50 and 70,361.28 is: 97,098.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,949.92 : 175,190.50 = 70,361.28 : x
  2. Step 2: Convert to fraction form
    126,949.92/175,190.50 = 70,361.28/x
  3. Step 3: Cross multiply
    126,949.92x = 175,190.50 × 70,361.28
  4. Step 4: Simplify right side
    126,949.92x = 12,326,627,823.84
  5. Step 5: Solve for x
    x = 12,326,627,823.84/126,949.92
  6. Step 6: Final answer
    x = 97,098.35

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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.