Home / 206,002.81-284,136.90-189,061.66

Finding the Fourth Proportional to 206,002.81, 284,136.90 and 189,061.66

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Solution

The fourth proportional to 206,002.81, 284,136.90 and 189,061.66 is: 260,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,002.81 : 284,136.90 = 189,061.66 : x
  2. Step 2: Convert to fraction form
    206,002.81/284,136.90 = 189,061.66/x
  3. Step 3: Cross multiply
    206,002.81x = 284,136.90 × 189,061.66
  4. Step 4: Simplify right side
    206,002.81x = 53,719,393,981.25
  5. Step 5: Solve for x
    x = 53,719,393,981.25/206,002.81
  6. Step 6: Final answer
    x = 260,770.20

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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.