Home / 119,641.33-165,105.05-69,369.49

Finding the Fourth Proportional to 119,641.33, 165,105.05 and 69,369.49

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Solution

The fourth proportional to 119,641.33, 165,105.05 and 69,369.49 is: 95,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,641.33 : 165,105.05 = 69,369.49 : x
  2. Step 2: Convert to fraction form
    119,641.33/165,105.05 = 69,369.49/x
  3. Step 3: Cross multiply
    119,641.33x = 165,105.05 × 69,369.49
  4. Step 4: Simplify right side
    119,641.33x = 11,453,252,768.08
  5. Step 5: Solve for x
    x = 11,453,252,768.08/119,641.33
  6. Step 6: Final answer
    x = 95,729.90

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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.