Home / 179,217.83-268,827.44-72,603.80

Finding the Fourth Proportional to 179,217.83, 268,827.44 and 72,603.80

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Solution

The fourth proportional to 179,217.83, 268,827.44 and 72,603.80 is: 108,905.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,217.83 : 268,827.44 = 72,603.80 : x
  2. Step 2: Convert to fraction form
    179,217.83/268,827.44 = 72,603.80/x
  3. Step 3: Cross multiply
    179,217.83x = 268,827.44 × 72,603.80
  4. Step 4: Simplify right side
    179,217.83x = 19,517,892,344.13
  5. Step 5: Solve for x
    x = 19,517,892,344.13/179,217.83
  6. Step 6: Final answer
    x = 108,905.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.