Home / 106,446.62-146,743.52-83,746.31

Finding the Fourth Proportional to 106,446.62, 146,743.52 and 83,746.31

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Solution

The fourth proportional to 106,446.62, 146,743.52 and 83,746.31 is: 115,449.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,446.62 : 146,743.52 = 83,746.31 : x
  2. Step 2: Convert to fraction form
    106,446.62/146,743.52 = 83,746.31/x
  3. Step 3: Cross multiply
    106,446.62x = 146,743.52 × 83,746.31
  4. Step 4: Simplify right side
    106,446.62x = 12,289,227,163.96
  5. Step 5: Solve for x
    x = 12,289,227,163.96/106,446.62
  6. Step 6: Final answer
    x = 115,449.67

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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.