Home / 179,289.11-268,902.49-66,970.29

Finding the Fourth Proportional to 179,289.11, 268,902.49 and 66,970.29

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Solution

The fourth proportional to 179,289.11, 268,902.49 and 66,970.29 is: 100,443.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,289.11 : 268,902.49 = 66,970.29 : x
  2. Step 2: Convert to fraction form
    179,289.11/268,902.49 = 66,970.29/x
  3. Step 3: Cross multiply
    179,289.11x = 268,902.49 × 66,970.29
  4. Step 4: Simplify right side
    179,289.11x = 18,008,477,737.02
  5. Step 5: Solve for x
    x = 18,008,477,737.02/179,289.11
  6. Step 6: Final answer
    x = 100,443.79

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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.