Home / 119,736.98-165,238.18-66,023.90

Finding the Fourth Proportional to 119,736.98, 165,238.18 and 66,023.90

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Solution

The fourth proportional to 119,736.98, 165,238.18 and 66,023.90 is: 91,113.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,736.98 : 165,238.18 = 66,023.90 : x
  2. Step 2: Convert to fraction form
    119,736.98/165,238.18 = 66,023.90/x
  3. Step 3: Cross multiply
    119,736.98x = 165,238.18 × 66,023.90
  4. Step 4: Simplify right side
    119,736.98x = 10,909,668,246.31
  5. Step 5: Solve for x
    x = 10,909,668,246.31/119,736.98
  6. Step 6: Final answer
    x = 91,113.61

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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.