Home / 119,617.48-164,879.68-80,843.16

Finding the Fourth Proportional to 119,617.48, 164,879.68 and 80,843.16

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Solution

The fourth proportional to 119,617.48, 164,879.68 and 80,843.16 is: 111,433.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,617.48 : 164,879.68 = 80,843.16 : x
  2. Step 2: Convert to fraction form
    119,617.48/164,879.68 = 80,843.16/x
  3. Step 3: Cross multiply
    119,617.48x = 164,879.68 × 80,843.16
  4. Step 4: Simplify right side
    119,617.48x = 13,329,394,350.99
  5. Step 5: Solve for x
    x = 13,329,394,350.99/119,617.48
  6. Step 6: Final answer
    x = 111,433.50

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1.5x scale

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.