Home / 287,601.57-396,891.50-166,814.37

Finding the Fourth Proportional to 287,601.57, 396,891.50 and 166,814.37

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Solution

The fourth proportional to 287,601.57, 396,891.50 and 166,814.37 is: 230,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,601.57 : 396,891.50 = 166,814.37 : x
  2. Step 2: Convert to fraction form
    287,601.57/396,891.50 = 166,814.37/x
  3. Step 3: Cross multiply
    287,601.57x = 396,891.50 × 166,814.37
  4. Step 4: Simplify right side
    287,601.57x = 66,207,204,696.78
  5. Step 5: Solve for x
    x = 66,207,204,696.78/287,601.57
  6. Step 6: Final answer
    x = 230,204.60

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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.