Home / 119,833.88-165,373.92-66,119.60

Finding the Fourth Proportional to 119,833.88, 165,373.92 and 66,119.60

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Solution

The fourth proportional to 119,833.88, 165,373.92 and 66,119.60 is: 91,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,833.88 : 165,373.92 = 66,119.60 : x
  2. Step 2: Convert to fraction form
    119,833.88/165,373.92 = 66,119.60/x
  3. Step 3: Cross multiply
    119,833.88x = 165,373.92 × 66,119.60
  4. Step 4: Simplify right side
    119,833.88x = 10,934,457,440.83
  5. Step 5: Solve for x
    x = 10,934,457,440.83/119,833.88
  6. Step 6: Final answer
    x = 91,246.79

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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.