Home / 198,434.01-273,840.98-107,791.77

Finding the Fourth Proportional to 198,434.01, 273,840.98 and 107,791.77

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Solution

The fourth proportional to 198,434.01, 273,840.98 and 107,791.77 is: 148,753.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,434.01 : 273,840.98 = 107,791.77 : x
  2. Step 2: Convert to fraction form
    198,434.01/273,840.98 = 107,791.77/x
  3. Step 3: Cross multiply
    198,434.01x = 273,840.98 × 107,791.77
  4. Step 4: Simplify right side
    198,434.01x = 29,517,803,393.78
  5. Step 5: Solve for x
    x = 29,517,803,393.78/198,434.01
  6. Step 6: Final answer
    x = 148,753.75

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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.