Home / 199,081.36-274,729.93-108,437.04

Finding the Fourth Proportional to 199,081.36, 274,729.93 and 108,437.04

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Solution

The fourth proportional to 199,081.36, 274,729.93 and 108,437.04 is: 149,641.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,081.36 : 274,729.93 = 108,437.04 : x
  2. Step 2: Convert to fraction form
    199,081.36/274,729.93 = 108,437.04/x
  3. Step 3: Cross multiply
    199,081.36x = 274,729.93 × 108,437.04
  4. Step 4: Simplify right side
    199,081.36x = 29,790,900,408.61
  5. Step 5: Solve for x
    x = 29,790,900,408.61/199,081.36
  6. Step 6: Final answer
    x = 149,641.84

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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.