Home / 289,479.62-399,504.04-182,141.66

Finding the Fourth Proportional to 289,479.62, 399,504.04 and 182,141.66

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Solution

The fourth proportional to 289,479.62, 399,504.04 and 182,141.66 is: 251,369.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,479.62 : 399,504.04 = 182,141.66 : x
  2. Step 2: Convert to fraction form
    289,479.62/399,504.04 = 182,141.66/x
  3. Step 3: Cross multiply
    289,479.62x = 399,504.04 × 182,141.66
  4. Step 4: Simplify right side
    289,479.62x = 72,766,329,022.31
  5. Step 5: Solve for x
    x = 72,766,329,022.31/289,479.62
  6. Step 6: Final answer
    x = 251,369.44

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1.5x scale

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.