Home / 198,817.04-274,370.22-108,174.08

Finding the Fourth Proportional to 198,817.04, 274,370.22 and 108,174.08

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Solution

The fourth proportional to 198,817.04, 274,370.22 and 108,174.08 is: 149,281.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,817.04 : 274,370.22 = 108,174.08 : x
  2. Step 2: Convert to fraction form
    198,817.04/274,370.22 = 108,174.08/x
  3. Step 3: Cross multiply
    198,817.04x = 274,370.22 × 108,174.08
  4. Step 4: Simplify right side
    198,817.04x = 29,679,746,127.90
  5. Step 5: Solve for x
    x = 29,679,746,127.90/198,817.04
  6. Step 6: Final answer
    x = 149,281.70

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1.5x scale

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.