Home / 205,733.96-283,877.16-120,868.64

Finding the Fourth Proportional to 205,733.96, 283,877.16 and 120,868.64

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Solution

The fourth proportional to 205,733.96, 283,877.16 and 120,868.64 is: 166,777.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,733.96 : 283,877.16 = 120,868.64 : x
  2. Step 2: Convert to fraction form
    205,733.96/283,877.16 = 120,868.64/x
  3. Step 3: Cross multiply
    205,733.96x = 283,877.16 × 120,868.64
  4. Step 4: Simplify right side
    205,733.96x = 34,311,846,256.26
  5. Step 5: Solve for x
    x = 34,311,846,256.26/205,733.96
  6. Step 6: Final answer
    x = 166,777.75

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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.