Home / 146,711.34-220,031.61-67,749.66

Finding the Fourth Proportional to 146,711.34, 220,031.61 and 67,749.66

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Solution

The fourth proportional to 146,711.34, 220,031.61 and 67,749.66 is: 101,608.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,711.34 : 220,031.61 = 67,749.66 : x
  2. Step 2: Convert to fraction form
    146,711.34/220,031.61 = 67,749.66/x
  3. Step 3: Cross multiply
    146,711.34x = 220,031.61 × 67,749.66
  4. Step 4: Simplify right side
    146,711.34x = 14,907,066,766.75
  5. Step 5: Solve for x
    x = 14,907,066,766.75/146,711.34
  6. Step 6: Final answer
    x = 101,608.14

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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.