Home / 324,986.10-487,767.15-191,699.70

Finding the Fourth Proportional to 324,986.10, 487,767.15 and 191,699.70

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Solution

The fourth proportional to 324,986.10, 487,767.15 and 191,699.70 is: 287,719.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,986.10 : 487,767.15 = 191,699.70 : x
  2. Step 2: Convert to fraction form
    324,986.10/487,767.15 = 191,699.70/x
  3. Step 3: Cross multiply
    324,986.10x = 487,767.15 × 191,699.70
  4. Step 4: Simplify right side
    324,986.10x = 93,504,816,324.86
  5. Step 5: Solve for x
    x = 93,504,816,324.86/324,986.10
  6. Step 6: Final answer
    x = 287,719.43

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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.