Home / 119,821.62-179,753.58-40,917.36

Finding the Fourth Proportional to 119,821.62, 179,753.58 and 40,917.36

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Solution

The fourth proportional to 119,821.62, 179,753.58 and 40,917.36 is: 61,383.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,821.62 : 179,753.58 = 40,917.36 : x
  2. Step 2: Convert to fraction form
    119,821.62/179,753.58 = 40,917.36/x
  3. Step 3: Cross multiply
    119,821.62x = 179,753.58 × 40,917.36
  4. Step 4: Simplify right side
    119,821.62x = 7,355,041,944.15
  5. Step 5: Solve for x
    x = 7,355,041,944.15/119,821.62
  6. Step 6: Final answer
    x = 61,383.26

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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.