Home / 199,541.76-275,469.24-154,117.80

Finding the Fourth Proportional to 199,541.76, 275,469.24 and 154,117.80

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Solution

The fourth proportional to 199,541.76, 275,469.24 and 154,117.80 is: 212,761.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,541.76 : 275,469.24 = 154,117.80 : x
  2. Step 2: Convert to fraction form
    199,541.76/275,469.24 = 154,117.80/x
  3. Step 3: Cross multiply
    199,541.76x = 275,469.24 × 154,117.80
  4. Step 4: Simplify right side
    199,541.76x = 42,454,713,236.47
  5. Step 5: Solve for x
    x = 42,454,713,236.47/199,541.76
  6. Step 6: Final answer
    x = 212,761.04

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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.