Home / 199,713.89-275,607.04-113,668.65

Finding the Fourth Proportional to 199,713.89, 275,607.04 and 113,668.65

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Solution

The fourth proportional to 199,713.89, 275,607.04 and 113,668.65 is: 156,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,713.89 : 275,607.04 = 113,668.65 : x
  2. Step 2: Convert to fraction form
    199,713.89/275,607.04 = 113,668.65/x
  3. Step 3: Cross multiply
    199,713.89x = 275,607.04 × 113,668.65
  4. Step 4: Simplify right side
    199,713.89x = 31,327,880,167.30
  5. Step 5: Solve for x
    x = 31,327,880,167.30/199,713.89
  6. Step 6: Final answer
    x = 156,863.80

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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.