Home / 199,715.04-275,608.62-113,669.80

Finding the Fourth Proportional to 199,715.04, 275,608.62 and 113,669.80

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Solution

The fourth proportional to 199,715.04, 275,608.62 and 113,669.80 is: 156,865.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,715.04 : 275,608.62 = 113,669.80 : x
  2. Step 2: Convert to fraction form
    199,715.04/275,608.62 = 113,669.80/x
  3. Step 3: Cross multiply
    199,715.04x = 275,608.62 × 113,669.80
  4. Step 4: Simplify right side
    199,715.04x = 31,328,376,024.65
  5. Step 5: Solve for x
    x = 31,328,376,024.65/199,715.04
  6. Step 6: Final answer
    x = 156,865.38

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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.