Home / 221,256.35-331,633.37-194,550.65

Finding the Fourth Proportional to 221,256.35, 331,633.37 and 194,550.65

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Solution

The fourth proportional to 221,256.35, 331,633.37 and 194,550.65 is: 291,605.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,256.35 : 331,633.37 = 194,550.65 : x
  2. Step 2: Convert to fraction form
    221,256.35/331,633.37 = 194,550.65/x
  3. Step 3: Cross multiply
    221,256.35x = 331,633.37 × 194,550.65
  4. Step 4: Simplify right side
    221,256.35x = 64,519,487,551.52
  5. Step 5: Solve for x
    x = 64,519,487,551.52/221,256.35
  6. Step 6: Final answer
    x = 291,605.13

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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.