Home / 119,820.44-165,351.06-66,105.89

Finding the Fourth Proportional to 119,820.44, 165,351.06 and 66,105.89

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Solution

The fourth proportional to 119,820.44, 165,351.06 and 66,105.89 is: 91,225.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,820.44 : 165,351.06 = 66,105.89 : x
  2. Step 2: Convert to fraction form
    119,820.44/165,351.06 = 66,105.89/x
  3. Step 3: Cross multiply
    119,820.44x = 165,351.06 × 66,105.89
  4. Step 4: Simplify right side
    119,820.44x = 10,930,678,983.74
  5. Step 5: Solve for x
    x = 10,930,678,983.74/119,820.44
  6. Step 6: Final answer
    x = 91,225.50

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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.