Home / 119,815.54-179,923.83-115,047.70

Finding the Fourth Proportional to 119,815.54, 179,923.83 and 115,047.70

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Solution

The fourth proportional to 119,815.54, 179,923.83 and 115,047.70 is: 172,764.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,815.54 : 179,923.83 = 115,047.70 : x
  2. Step 2: Convert to fraction form
    119,815.54/179,923.83 = 115,047.70/x
  3. Step 3: Cross multiply
    119,815.54x = 179,923.83 × 115,047.70
  4. Step 4: Simplify right side
    119,815.54x = 20,699,822,816.69
  5. Step 5: Solve for x
    x = 20,699,822,816.69/119,815.54
  6. Step 6: Final answer
    x = 172,764.09

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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.