Home / 207,945.64-311,863.08-58,176.64

Finding the Fourth Proportional to 207,945.64, 311,863.08 and 58,176.64

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Solution

The fourth proportional to 207,945.64, 311,863.08 and 58,176.64 is: 87,249.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,945.64 : 311,863.08 = 58,176.64 : x
  2. Step 2: Convert to fraction form
    207,945.64/311,863.08 = 58,176.64/x
  3. Step 3: Cross multiply
    207,945.64x = 311,863.08 × 58,176.64
  4. Step 4: Simplify right side
    207,945.64x = 18,143,146,134.45
  5. Step 5: Solve for x
    x = 18,143,146,134.45/207,945.64
  6. Step 6: Final answer
    x = 87,249.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.