Home / 146,678.22-219,982.05-67,716.63

Finding the Fourth Proportional to 146,678.22, 219,982.05 and 67,716.63

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Solution

The fourth proportional to 146,678.22, 219,982.05 and 67,716.63 is: 101,558.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,678.22 : 219,982.05 = 67,716.63 : x
  2. Step 2: Convert to fraction form
    146,678.22/219,982.05 = 67,716.63/x
  3. Step 3: Cross multiply
    146,678.22x = 219,982.05 × 67,716.63
  4. Step 4: Simplify right side
    146,678.22x = 14,896,443,086.49
  5. Step 5: Solve for x
    x = 14,896,443,086.49/146,678.22
  6. Step 6: Final answer
    x = 101,558.66

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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.