Home / 198,604.44-297,813.02-72,155.52

Finding the Fourth Proportional to 198,604.44, 297,813.02 and 72,155.52

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Solution

The fourth proportional to 198,604.44, 297,813.02 and 72,155.52 is: 108,199.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,604.44 : 297,813.02 = 72,155.52 : x
  2. Step 2: Convert to fraction form
    198,604.44/297,813.02 = 72,155.52/x
  3. Step 3: Cross multiply
    198,604.44x = 297,813.02 × 72,155.52
  4. Step 4: Simplify right side
    198,604.44x = 21,488,852,960.09
  5. Step 5: Solve for x
    x = 21,488,852,960.09/198,604.44
  6. Step 6: Final answer
    x = 108,199.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.