Home / 105,974.67-146,245.01-58,231.09

Finding the Fourth Proportional to 105,974.67, 146,245.01 and 58,231.09

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Solution

The fourth proportional to 105,974.67, 146,245.01 and 58,231.09 is: 80,358.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,974.67 : 146,245.01 = 58,231.09 : x
  2. Step 2: Convert to fraction form
    105,974.67/146,245.01 = 58,231.09/x
  3. Step 3: Cross multiply
    105,974.67x = 146,245.01 × 58,231.09
  4. Step 4: Simplify right side
    105,974.67x = 8,516,006,339.36
  5. Step 5: Solve for x
    x = 8,516,006,339.36/105,974.67
  6. Step 6: Final answer
    x = 80,358.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.