Home / 205,167.12-283,177.85-120,311.52

Finding the Fourth Proportional to 205,167.12, 283,177.85 and 120,311.52

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Solution

The fourth proportional to 205,167.12, 283,177.85 and 120,311.52 is: 166,057.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,167.12 : 283,177.85 = 120,311.52 : x
  2. Step 2: Convert to fraction form
    205,167.12/283,177.85 = 120,311.52/x
  3. Step 3: Cross multiply
    205,167.12x = 283,177.85 × 120,311.52
  4. Step 4: Simplify right side
    205,167.12x = 34,069,557,563.83
  5. Step 5: Solve for x
    x = 34,069,557,563.83/205,167.12
  6. Step 6: Final answer
    x = 166,057.59

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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.