Home / 289,452.36-399,473.82-166,949.58

Finding the Fourth Proportional to 289,452.36, 399,473.82 and 166,949.58

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Solution

The fourth proportional to 289,452.36, 399,473.82 and 166,949.58 is: 230,407.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,452.36 : 399,473.82 = 166,949.58 : x
  2. Step 2: Convert to fraction form
    289,452.36/399,473.82 = 166,949.58/x
  3. Step 3: Cross multiply
    289,452.36x = 399,473.82 × 166,949.58
  4. Step 4: Simplify right side
    289,452.36x = 66,691,986,470.00
  5. Step 5: Solve for x
    x = 66,691,986,470.00/289,452.36
  6. Step 6: Final answer
    x = 230,407.47

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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.