Home / 119,733.96-165,233.94-66,020.88

Finding the Fourth Proportional to 119,733.96, 165,233.94 and 66,020.88

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Solution

The fourth proportional to 119,733.96, 165,233.94 and 66,020.88 is: 91,109.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,733.96 : 165,233.94 = 66,020.88 : x
  2. Step 2: Convert to fraction form
    119,733.96/165,233.94 = 66,020.88/x
  3. Step 3: Cross multiply
    119,733.96x = 165,233.94 × 66,020.88
  4. Step 4: Simplify right side
    119,733.96x = 10,908,890,124.67
  5. Step 5: Solve for x
    x = 10,908,890,124.67/119,733.96
  6. Step 6: Final answer
    x = 91,109.41

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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.