Home / 199,789.13-275,708.81-114,906.20

Finding the Fourth Proportional to 199,789.13, 275,708.81 and 114,906.20

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Solution

The fourth proportional to 199,789.13, 275,708.81 and 114,906.20 is: 158,570.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,789.13 : 275,708.81 = 114,906.20 : x
  2. Step 2: Convert to fraction form
    199,789.13/275,708.81 = 114,906.20/x
  3. Step 3: Cross multiply
    199,789.13x = 275,708.81 × 114,906.20
  4. Step 4: Simplify right side
    199,789.13x = 31,680,650,572.34
  5. Step 5: Solve for x
    x = 31,680,650,572.34/199,789.13
  6. Step 6: Final answer
    x = 158,570.44

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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.