Home / 287,323.41-396,506.30-166,534.76

Finding the Fourth Proportional to 287,323.41, 396,506.30 and 166,534.76

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Solution

The fourth proportional to 287,323.41, 396,506.30 and 166,534.76 is: 229,817.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,323.41 : 396,506.30 = 166,534.76 : x
  2. Step 2: Convert to fraction form
    287,323.41/396,506.30 = 166,534.76/x
  3. Step 3: Cross multiply
    287,323.41x = 396,506.30 × 166,534.76
  4. Step 4: Simplify right side
    287,323.41x = 66,032,080,517.72
  5. Step 5: Solve for x
    x = 66,032,080,517.72/287,323.41
  6. Step 6: Final answer
    x = 229,817.96

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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.