Home / 199,406.39-275,025.21-127,793.03

Finding the Fourth Proportional to 199,406.39, 275,025.21 and 127,793.03

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Solution

The fourth proportional to 199,406.39, 275,025.21 and 127,793.03 is: 176,254.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,406.39 : 275,025.21 = 127,793.03 : x
  2. Step 2: Convert to fraction form
    199,406.39/275,025.21 = 127,793.03/x
  3. Step 3: Cross multiply
    199,406.39x = 275,025.21 × 127,793.03
  4. Step 4: Simplify right side
    199,406.39x = 35,146,304,912.29
  5. Step 5: Solve for x
    x = 35,146,304,912.29/199,406.39
  6. Step 6: Final answer
    x = 176,254.66

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1.5x scale

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.