Home / 276,008.05-413,589.57-185,716.38

Finding the Fourth Proportional to 276,008.05, 413,589.57 and 185,716.38

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Solution

The fourth proportional to 276,008.05, 413,589.57 and 185,716.38 is: 278,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,008.05 : 413,589.57 = 185,716.38 : x
  2. Step 2: Convert to fraction form
    276,008.05/413,589.57 = 185,716.38/x
  3. Step 3: Cross multiply
    276,008.05x = 413,589.57 × 185,716.38
  4. Step 4: Simplify right side
    276,008.05x = 76,810,357,746.16
  5. Step 5: Solve for x
    x = 76,810,357,746.16/276,008.05
  6. Step 6: Final answer
    x = 278,290.28

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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.