Home / 179,225.46-268,839-72,611.46

Finding the Fourth Proportional to 179,225.46, 268,839 and 72,611.46

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Solution

The fourth proportional to 179,225.46, 268,839 and 72,611.46 is: 108,917.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,225.46 : 268,839 = 72,611.46 : x
  2. Step 2: Convert to fraction form
    179,225.46/268,839 = 72,611.46/x
  3. Step 3: Cross multiply
    179,225.46x = 268,839 × 72,611.46
  4. Step 4: Simplify right side
    179,225.46x = 19,520,792,294.94
  5. Step 5: Solve for x
    x = 19,520,792,294.94/179,225.46
  6. Step 6: Final answer
    x = 108,917.52

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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.