Home / 146,311.43-219,488.05-45,118.03

Finding the Fourth Proportional to 146,311.43, 219,488.05 and 45,118.03

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Solution

The fourth proportional to 146,311.43, 219,488.05 and 45,118.03 is: 67,683.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,311.43 : 219,488.05 = 45,118.03 : x
  2. Step 2: Convert to fraction form
    146,311.43/219,488.05 = 45,118.03/x
  3. Step 3: Cross multiply
    146,311.43x = 219,488.05 × 45,118.03
  4. Step 4: Simplify right side
    146,311.43x = 9,902,867,101.51
  5. Step 5: Solve for x
    x = 9,902,867,101.51/146,311.43
  6. Step 6: Final answer
    x = 67,683.48

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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.