Home / 222,385.17-306,891.09-120,410.73

Finding the Fourth Proportional to 222,385.17, 306,891.09 and 120,410.73

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Solution

The fourth proportional to 222,385.17, 306,891.09 and 120,410.73 is: 166,166.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,385.17 : 306,891.09 = 120,410.73 : x
  2. Step 2: Convert to fraction form
    222,385.17/306,891.09 = 120,410.73/x
  3. Step 3: Cross multiply
    222,385.17x = 306,891.09 × 120,410.73
  4. Step 4: Simplify right side
    222,385.17x = 36,952,980,177.40
  5. Step 5: Solve for x
    x = 36,952,980,177.40/222,385.17
  6. Step 6: Final answer
    x = 166,166.57

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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.