Home / 119,934.19-165,511.77-66,222.61

Finding the Fourth Proportional to 119,934.19, 165,511.77 and 66,222.61

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Solution

The fourth proportional to 119,934.19, 165,511.77 and 66,222.61 is: 91,388.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,934.19 : 165,511.77 = 66,222.61 : x
  2. Step 2: Convert to fraction form
    119,934.19/165,511.77 = 66,222.61/x
  3. Step 3: Cross multiply
    119,934.19x = 165,511.77 × 66,222.61
  4. Step 4: Simplify right side
    119,934.19x = 10,960,620,733.01
  5. Step 5: Solve for x
    x = 10,960,620,733.01/119,934.19
  6. Step 6: Final answer
    x = 91,388.62

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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.