Home / 198,445.15-273,846.45-117,870.55

Finding the Fourth Proportional to 198,445.15, 273,846.45 and 117,870.55

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Solution

The fourth proportional to 198,445.15, 273,846.45 and 117,870.55 is: 162,656.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,445.15 : 273,846.45 = 117,870.55 : x
  2. Step 2: Convert to fraction form
    198,445.15/273,846.45 = 117,870.55/x
  3. Step 3: Cross multiply
    198,445.15x = 273,846.45 × 117,870.55
  4. Step 4: Simplify right side
    198,445.15x = 32,278,431,677.05
  5. Step 5: Solve for x
    x = 32,278,431,677.05/198,445.15
  6. Step 6: Final answer
    x = 162,656.69

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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.