Home / 198,444.15-273,845.07-117,869.55

Finding the Fourth Proportional to 198,444.15, 273,845.07 and 117,869.55

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Solution

The fourth proportional to 198,444.15, 273,845.07 and 117,869.55 is: 162,655.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,444.15 : 273,845.07 = 117,869.55 : x
  2. Step 2: Convert to fraction form
    198,444.15/273,845.07 = 117,869.55/x
  3. Step 3: Cross multiply
    198,444.15x = 273,845.07 × 117,869.55
  4. Step 4: Simplify right side
    198,444.15x = 32,277,995,170.62
  5. Step 5: Solve for x
    x = 32,277,995,170.62/198,444.15
  6. Step 6: Final answer
    x = 162,655.31

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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.