Home / 198,895.64-274,478.22-108,252.18

Finding the Fourth Proportional to 198,895.64, 274,478.22 and 108,252.18

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Solution

The fourth proportional to 198,895.64, 274,478.22 and 108,252.18 is: 149,389.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,895.64 : 274,478.22 = 108,252.18 : x
  2. Step 2: Convert to fraction form
    198,895.64/274,478.22 = 108,252.18/x
  3. Step 3: Cross multiply
    198,895.64x = 274,478.22 × 108,252.18
  4. Step 4: Simplify right side
    198,895.64x = 29,712,865,677.52
  5. Step 5: Solve for x
    x = 29,712,865,677.52/198,895.64
  6. Step 6: Final answer
    x = 149,389.23

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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.