Home / 126,902.22-175,143.43-73,176.54

Finding the Fourth Proportional to 126,902.22, 175,143.43 and 73,176.54

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Solution

The fourth proportional to 126,902.22, 175,143.43 and 73,176.54 is: 100,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,902.22 : 175,143.43 = 73,176.54 : x
  2. Step 2: Convert to fraction form
    126,902.22/175,143.43 = 73,176.54/x
  3. Step 3: Cross multiply
    126,902.22x = 175,143.43 × 73,176.54
  4. Step 4: Simplify right side
    126,902.22x = 12,816,390,211.13
  5. Step 5: Solve for x
    x = 12,816,390,211.13/126,902.22
  6. Step 6: Final answer
    x = 100,994.22

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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.