Home / 126,974.21-175,225.97-73,270.40

Finding the Fourth Proportional to 126,974.21, 175,225.97 and 73,270.40

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Solution

The fourth proportional to 126,974.21, 175,225.97 and 73,270.40 is: 101,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,974.21 : 175,225.97 = 73,270.40 : x
  2. Step 2: Convert to fraction form
    126,974.21/175,225.97 = 73,270.40/x
  3. Step 3: Cross multiply
    126,974.21x = 175,225.97 × 73,270.40
  4. Step 4: Simplify right side
    126,974.21x = 12,838,876,545.94
  5. Step 5: Solve for x
    x = 12,838,876,545.94/126,974.21
  6. Step 6: Final answer
    x = 101,114.05

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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.