Home / 391,934.24-587,838.38-107,558.36

Finding the Fourth Proportional to 391,934.24, 587,838.38 and 107,558.36

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Solution

The fourth proportional to 391,934.24, 587,838.38 and 107,558.36 is: 161,320.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,934.24 : 587,838.38 = 107,558.36 : x
  2. Step 2: Convert to fraction form
    391,934.24/587,838.38 = 107,558.36/x
  3. Step 3: Cross multiply
    391,934.24x = 587,838.38 × 107,558.36
  4. Step 4: Simplify right side
    391,934.24x = 63,226,932,097.86
  5. Step 5: Solve for x
    x = 63,226,932,097.86/391,934.24
  6. Step 6: Final answer
    x = 161,320.26

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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.