Home / 222,250.05-306,702.75-120,273.30

Finding the Fourth Proportional to 222,250.05, 306,702.75 and 120,273.30

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Solution

The fourth proportional to 222,250.05, 306,702.75 and 120,273.30 is: 165,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,250.05 : 306,702.75 = 120,273.30 : x
  2. Step 2: Convert to fraction form
    222,250.05/306,702.75 = 120,273.30/x
  3. Step 3: Cross multiply
    222,250.05x = 306,702.75 × 120,273.30
  4. Step 4: Simplify right side
    222,250.05x = 36,888,151,861.58
  5. Step 5: Solve for x
    x = 36,888,151,861.58/222,250.05
  6. Step 6: Final answer
    x = 165,975.90

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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.