Home / 198,336.50-273,701.56-112,293.26

Finding the Fourth Proportional to 198,336.50, 273,701.56 and 112,293.26

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Solution

The fourth proportional to 198,336.50, 273,701.56 and 112,293.26 is: 154,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,336.50 : 273,701.56 = 112,293.26 : x
  2. Step 2: Convert to fraction form
    198,336.50/273,701.56 = 112,293.26/x
  3. Step 3: Cross multiply
    198,336.50x = 273,701.56 × 112,293.26
  4. Step 4: Simplify right side
    198,336.50x = 30,734,838,790.24
  5. Step 5: Solve for x
    x = 30,734,838,790.24/198,336.50
  6. Step 6: Final answer
    x = 154,963.10

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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.