Home / 287,583.21-396,699.93-179,966.41

Finding the Fourth Proportional to 287,583.21, 396,699.93 and 179,966.41

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Solution

The fourth proportional to 287,583.21, 396,699.93 and 179,966.41 is: 248,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,583.21 : 396,699.93 = 179,966.41 : x
  2. Step 2: Convert to fraction form
    287,583.21/396,699.93 = 179,966.41/x
  3. Step 3: Cross multiply
    287,583.21x = 396,699.93 × 179,966.41
  4. Step 4: Simplify right side
    287,583.21x = 71,392,661,257.60
  5. Step 5: Solve for x
    x = 71,392,661,257.60/287,583.21
  6. Step 6: Final answer
    x = 248,250.45

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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.