Home / 198,211.61-273,534.02-107,568.36

Finding the Fourth Proportional to 198,211.61, 273,534.02 and 107,568.36

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Solution

The fourth proportional to 198,211.61, 273,534.02 and 107,568.36 is: 148,445.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,211.61 : 273,534.02 = 107,568.36 : x
  2. Step 2: Convert to fraction form
    198,211.61/273,534.02 = 107,568.36/x
  3. Step 3: Cross multiply
    198,211.61x = 273,534.02 × 107,568.36
  4. Step 4: Simplify right side
    198,211.61x = 29,423,604,836.86
  5. Step 5: Solve for x
    x = 29,423,604,836.86/198,211.61
  6. Step 6: Final answer
    x = 148,445.42

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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.