Home / 199,173.06-274,856.04-108,532.80

Finding the Fourth Proportional to 199,173.06, 274,856.04 and 108,532.80

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Solution

The fourth proportional to 199,173.06, 274,856.04 and 108,532.80 is: 149,773.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,173.06 : 274,856.04 = 108,532.80 : x
  2. Step 2: Convert to fraction form
    199,173.06/274,856.04 = 108,532.80/x
  3. Step 3: Cross multiply
    199,173.06x = 274,856.04 × 108,532.80
  4. Step 4: Simplify right side
    199,173.06x = 29,830,895,618.11
  5. Step 5: Solve for x
    x = 29,830,895,618.11/199,173.06
  6. Step 6: Final answer
    x = 149,773.75

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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.