Home / 198,458.10-273,865.86-113,573.34

Finding the Fourth Proportional to 198,458.10, 273,865.86 and 113,573.34

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Solution

The fourth proportional to 198,458.10, 273,865.86 and 113,573.34 is: 156,727.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,458.10 : 273,865.86 = 113,573.34 : x
  2. Step 2: Convert to fraction form
    198,458.10/273,865.86 = 113,573.34/x
  3. Step 3: Cross multiply
    198,458.10x = 273,865.86 × 113,573.34
  4. Step 4: Simplify right side
    198,458.10x = 31,103,860,432.17
  5. Step 5: Solve for x
    x = 31,103,860,432.17/198,458.10
  6. Step 6: Final answer
    x = 156,727.59

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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.