Home / 287,193.13-396,297.88-166,373.31

Finding the Fourth Proportional to 287,193.13, 396,297.88 and 166,373.31

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Solution

The fourth proportional to 287,193.13, 396,297.88 and 166,373.31 is: 229,578.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,193.13 : 396,297.88 = 166,373.31 : x
  2. Step 2: Convert to fraction form
    287,193.13/396,297.88 = 166,373.31/x
  3. Step 3: Cross multiply
    287,193.13x = 396,297.88 × 166,373.31
  4. Step 4: Simplify right side
    287,193.13x = 65,933,390,041.58
  5. Step 5: Solve for x
    x = 65,933,390,041.58/287,193.13
  6. Step 6: Final answer
    x = 229,578.58

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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.