Home / 146,081.70-219,205.17-79,526.43

Finding the Fourth Proportional to 146,081.70, 219,205.17 and 79,526.43

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Solution

The fourth proportional to 146,081.70, 219,205.17 and 79,526.43 is: 119,334.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,081.70 : 219,205.17 = 79,526.43 : x
  2. Step 2: Convert to fraction form
    146,081.70/219,205.17 = 79,526.43/x
  3. Step 3: Cross multiply
    146,081.70x = 219,205.17 × 79,526.43
  4. Step 4: Simplify right side
    146,081.70x = 17,432,604,607.64
  5. Step 5: Solve for x
    x = 17,432,604,607.64/146,081.70
  6. Step 6: Final answer
    x = 119,334.62

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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.