Home / 126,938.54-175,175.18-70,353.56

Finding the Fourth Proportional to 126,938.54, 175,175.18 and 70,353.56

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Solution

The fourth proportional to 126,938.54, 175,175.18 and 70,353.56 is: 97,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,938.54 : 175,175.18 = 70,353.56 : x
  2. Step 2: Convert to fraction form
    126,938.54/175,175.18 = 70,353.56/x
  3. Step 3: Cross multiply
    126,938.54x = 175,175.18 × 70,353.56
  4. Step 4: Simplify right side
    126,938.54x = 12,324,196,309.00
  5. Step 5: Solve for x
    x = 12,324,196,309.00/126,938.54
  6. Step 6: Final answer
    x = 97,087.90

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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.