Home / 219,404.03-329,106.09-79,162.61

Finding the Fourth Proportional to 219,404.03, 329,106.09 and 79,162.61

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Solution

The fourth proportional to 219,404.03, 329,106.09 and 79,162.61 is: 118,743.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,404.03 : 329,106.09 = 79,162.61 : x
  2. Step 2: Convert to fraction form
    219,404.03/329,106.09 = 79,162.61/x
  3. Step 3: Cross multiply
    219,404.03x = 329,106.09 × 79,162.61
  4. Step 4: Simplify right side
    219,404.03x = 26,052,897,051.29
  5. Step 5: Solve for x
    x = 26,052,897,051.29/219,404.03
  6. Step 6: Final answer
    x = 118,743.93

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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.