Home / 206,845.16-285,479.53-193,337.69

Finding the Fourth Proportional to 206,845.16, 285,479.53 and 193,337.69

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Solution

The fourth proportional to 206,845.16, 285,479.53 and 193,337.69 is: 266,837.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,845.16 : 285,479.53 = 193,337.69 : x
  2. Step 2: Convert to fraction form
    206,845.16/285,479.53 = 193,337.69/x
  3. Step 3: Cross multiply
    206,845.16x = 285,479.53 × 193,337.69
  4. Step 4: Simplify right side
    206,845.16x = 55,193,950,961.74
  5. Step 5: Solve for x
    x = 55,193,950,961.74/206,845.16
  6. Step 6: Final answer
    x = 266,837.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.