Home / 119,707.71-165,204.07-65,992.62

Finding the Fourth Proportional to 119,707.71, 165,204.07 and 65,992.62

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Solution

The fourth proportional to 119,707.71, 165,204.07 and 65,992.62 is: 91,073.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,707.71 : 165,204.07 = 65,992.62 : x
  2. Step 2: Convert to fraction form
    119,707.71/165,204.07 = 65,992.62/x
  3. Step 3: Cross multiply
    119,707.71x = 165,204.07 × 65,992.62
  4. Step 4: Simplify right side
    119,707.71x = 10,902,250,239.71
  5. Step 5: Solve for x
    x = 10,902,250,239.71/119,707.71
  6. Step 6: Final answer
    x = 91,073.92

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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.