Home / 287,323.26-396,506.10-166,534.62

Finding the Fourth Proportional to 287,323.26, 396,506.10 and 166,534.62

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Solution

The fourth proportional to 287,323.26, 396,506.10 and 166,534.62 is: 229,817.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,323.26 : 396,506.10 = 166,534.62 : x
  2. Step 2: Convert to fraction form
    287,323.26/396,506.10 = 166,534.62/x
  3. Step 3: Cross multiply
    287,323.26x = 396,506.10 × 166,534.62
  4. Step 4: Simplify right side
    287,323.26x = 66,031,992,691.18
  5. Step 5: Solve for x
    x = 66,031,992,691.18/287,323.26
  6. Step 6: Final answer
    x = 229,817.78

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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.