Home / 199,266.17-274,981.80-108,623.90

Finding the Fourth Proportional to 199,266.17, 274,981.80 and 108,623.90

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Solution

The fourth proportional to 199,266.17, 274,981.80 and 108,623.90 is: 149,897.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,266.17 : 274,981.80 = 108,623.90 : x
  2. Step 2: Convert to fraction form
    199,266.17/274,981.80 = 108,623.90/x
  3. Step 3: Cross multiply
    199,266.17x = 274,981.80 × 108,623.90
  4. Step 4: Simplify right side
    199,266.17x = 29,869,594,170.11
  5. Step 5: Solve for x
    x = 29,869,594,170.11/199,266.17
  6. Step 6: Final answer
    x = 149,897.97

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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.