Home / 198,347.92-273,710.28-112,293.52

Finding the Fourth Proportional to 198,347.92, 273,710.28 and 112,293.52

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Solution

The fourth proportional to 198,347.92, 273,710.28 and 112,293.52 is: 154,959.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,347.92 : 273,710.28 = 112,293.52 : x
  2. Step 2: Convert to fraction form
    198,347.92/273,710.28 = 112,293.52/x
  3. Step 3: Cross multiply
    198,347.92x = 273,710.28 × 112,293.52
  4. Step 4: Simplify right side
    198,347.92x = 30,735,890,801.39
  5. Step 5: Solve for x
    x = 30,735,890,801.39/198,347.92
  6. Step 6: Final answer
    x = 154,959.48

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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.