Home / 179,203.20-268,545.60-79,281.60

Finding the Fourth Proportional to 179,203.20, 268,545.60 and 79,281.60

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Solution

The fourth proportional to 179,203.20, 268,545.60 and 79,281.60 is: 118,807.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,203.20 : 268,545.60 = 79,281.60 : x
  2. Step 2: Convert to fraction form
    179,203.20/268,545.60 = 79,281.60/x
  3. Step 3: Cross multiply
    179,203.20x = 268,545.60 × 79,281.60
  4. Step 4: Simplify right side
    179,203.20x = 21,290,724,840.96
  5. Step 5: Solve for x
    x = 21,290,724,840.96/179,203.20
  6. Step 6: Final answer
    x = 118,807.73

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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.