Home / 119,911.06-165,476.55-66,199.42

Finding the Fourth Proportional to 119,911.06, 165,476.55 and 66,199.42

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Solution

The fourth proportional to 119,911.06, 165,476.55 and 66,199.42 is: 91,354.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,911.06 : 165,476.55 = 66,199.42 : x
  2. Step 2: Convert to fraction form
    119,911.06/165,476.55 = 66,199.42/x
  3. Step 3: Cross multiply
    119,911.06x = 165,476.55 × 66,199.42
  4. Step 4: Simplify right side
    119,911.06x = 10,954,451,633.60
  5. Step 5: Solve for x
    x = 10,954,451,633.60/119,911.06
  6. Step 6: Final answer
    x = 91,354.81

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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.