Home / 205,822.11-283,991.22-120,908.19

Finding the Fourth Proportional to 205,822.11, 283,991.22 and 120,908.19

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Solution

The fourth proportional to 205,822.11, 283,991.22 and 120,908.19 is: 166,827.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,822.11 : 283,991.22 = 120,908.19 : x
  2. Step 2: Convert to fraction form
    205,822.11/283,991.22 = 120,908.19/x
  3. Step 3: Cross multiply
    205,822.11x = 283,991.22 × 120,908.19
  4. Step 4: Simplify right side
    205,822.11x = 34,336,864,386.09
  5. Step 5: Solve for x
    x = 34,336,864,386.09/205,822.11
  6. Step 6: Final answer
    x = 166,827.87

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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.