Home / 207,568.08-286,344.52-199,520.72

Finding the Fourth Proportional to 207,568.08, 286,344.52 and 199,520.72

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Solution

The fourth proportional to 207,568.08, 286,344.52 and 199,520.72 is: 275,243.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,568.08 : 286,344.52 = 199,520.72 : x
  2. Step 2: Convert to fraction form
    207,568.08/286,344.52 = 199,520.72/x
  3. Step 3: Cross multiply
    207,568.08x = 286,344.52 × 199,520.72
  4. Step 4: Simplify right side
    207,568.08x = 57,131,664,798.45
  5. Step 5: Solve for x
    x = 57,131,664,798.45/207,568.08
  6. Step 6: Final answer
    x = 275,243.02

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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.