Home / 274,514.11-411,759.04-74,834.50

Finding the Fourth Proportional to 274,514.11, 411,759.04 and 74,834.50

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Solution

The fourth proportional to 274,514.11, 411,759.04 and 74,834.50 is: 112,248.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,514.11 : 411,759.04 = 74,834.50 : x
  2. Step 2: Convert to fraction form
    274,514.11/411,759.04 = 74,834.50/x
  3. Step 3: Cross multiply
    274,514.11x = 411,759.04 × 74,834.50
  4. Step 4: Simplify right side
    274,514.11x = 30,813,781,878.88
  5. Step 5: Solve for x
    x = 30,813,781,878.88/274,514.11
  6. Step 6: Final answer
    x = 112,248.44

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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.