Home / 119,825.20-165,357.57-66,110.59

Finding the Fourth Proportional to 119,825.20, 165,357.57 and 66,110.59

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Solution

The fourth proportional to 119,825.20, 165,357.57 and 66,110.59 is: 91,231.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,825.20 : 165,357.57 = 66,110.59 : x
  2. Step 2: Convert to fraction form
    119,825.20/165,357.57 = 66,110.59/x
  3. Step 3: Cross multiply
    119,825.20x = 165,357.57 × 66,110.59
  4. Step 4: Simplify right side
    119,825.20x = 10,931,886,513.67
  5. Step 5: Solve for x
    x = 10,931,886,513.67/119,825.20
  6. Step 6: Final answer
    x = 91,231.95

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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.