Home / 198,817.64-274,369.53-108,174.29

Finding the Fourth Proportional to 198,817.64, 274,369.53 and 108,174.29

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Solution

The fourth proportional to 198,817.64, 274,369.53 and 108,174.29 is: 149,281.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,817.64 : 274,369.53 = 108,174.29 : x
  2. Step 2: Convert to fraction form
    198,817.64/274,369.53 = 108,174.29/x
  3. Step 3: Cross multiply
    198,817.64x = 274,369.53 × 108,174.29
  4. Step 4: Simplify right side
    198,817.64x = 29,679,727,530.71
  5. Step 5: Solve for x
    x = 29,679,727,530.71/198,817.64
  6. Step 6: Final answer
    x = 149,281.16

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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.