Home / 119,697.77-165,179.76-65,983.02

Finding the Fourth Proportional to 119,697.77, 165,179.76 and 65,983.02

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Solution

The fourth proportional to 119,697.77, 165,179.76 and 65,983.02 is: 91,054.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,697.77 : 165,179.76 = 65,983.02 : x
  2. Step 2: Convert to fraction form
    119,697.77/165,179.76 = 65,983.02/x
  3. Step 3: Cross multiply
    119,697.77x = 165,179.76 × 65,983.02
  4. Step 4: Simplify right side
    119,697.77x = 10,899,059,407.68
  5. Step 5: Solve for x
    x = 10,899,059,407.68/119,697.77
  6. Step 6: Final answer
    x = 91,054.83

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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.