Home / 119,620.17-165,077.73-65,904.66

Finding the Fourth Proportional to 119,620.17, 165,077.73 and 65,904.66

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Solution

The fourth proportional to 119,620.17, 165,077.73 and 65,904.66 is: 90,949.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,620.17 : 165,077.73 = 65,904.66 : x
  2. Step 2: Convert to fraction form
    119,620.17/165,077.73 = 65,904.66/x
  3. Step 3: Cross multiply
    119,620.17x = 165,077.73 × 65,904.66
  4. Step 4: Simplify right side
    119,620.17x = 10,879,391,669.22
  5. Step 5: Solve for x
    x = 10,879,391,669.22/119,620.17
  6. Step 6: Final answer
    x = 90,949.48

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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.