Home / 199,899.08-275,876.43-113,861.69

Finding the Fourth Proportional to 199,899.08, 275,876.43 and 113,861.69

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Solution

The fourth proportional to 199,899.08, 275,876.43 and 113,861.69 is: 157,138.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,899.08 : 275,876.43 = 113,861.69 : x
  2. Step 2: Convert to fraction form
    199,899.08/275,876.43 = 113,861.69/x
  3. Step 3: Cross multiply
    199,899.08x = 275,876.43 × 113,861.69
  4. Step 4: Simplify right side
    199,899.08x = 31,411,756,550.97
  5. Step 5: Solve for x
    x = 31,411,756,550.97/199,899.08
  6. Step 6: Final answer
    x = 157,138.07

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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.