Home / 205,168.55-283,179.83-120,312.95

Finding the Fourth Proportional to 205,168.55, 283,179.83 and 120,312.95

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Solution

The fourth proportional to 205,168.55, 283,179.83 and 120,312.95 is: 166,059.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,168.55 : 283,179.83 = 120,312.95 : x
  2. Step 2: Convert to fraction form
    205,168.55/283,179.83 = 120,312.95/x
  3. Step 3: Cross multiply
    205,168.55x = 283,179.83 × 120,312.95
  4. Step 4: Simplify right side
    205,168.55x = 34,070,198,710.33
  5. Step 5: Solve for x
    x = 34,070,198,710.33/205,168.55
  6. Step 6: Final answer
    x = 166,059.56

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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.