Home / 199,081.25-274,732.13-109,657.25

Finding the Fourth Proportional to 199,081.25, 274,732.13 and 109,657.25

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Solution

The fourth proportional to 199,081.25, 274,732.13 and 109,657.25 is: 151,327.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,081.25 : 274,732.13 = 109,657.25 : x
  2. Step 2: Convert to fraction form
    199,081.25/274,732.13 = 109,657.25/x
  3. Step 3: Cross multiply
    199,081.25x = 274,732.13 × 109,657.25
  4. Step 4: Simplify right side
    199,081.25x = 30,126,369,314.16
  5. Step 5: Solve for x
    x = 30,126,369,314.16/199,081.25
  6. Step 6: Final answer
    x = 151,327.01

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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.