Home / 222,840.06-307,517.64-120,865.20

Finding the Fourth Proportional to 222,840.06, 307,517.64 and 120,865.20

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Solution

The fourth proportional to 222,840.06, 307,517.64 and 120,865.20 is: 166,793.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,840.06 : 307,517.64 = 120,865.20 : x
  2. Step 2: Convert to fraction form
    222,840.06/307,517.64 = 120,865.20/x
  3. Step 3: Cross multiply
    222,840.06x = 307,517.64 × 120,865.20
  4. Step 4: Simplify right side
    222,840.06x = 37,168,181,062.13
  5. Step 5: Solve for x
    x = 37,168,181,062.13/222,840.06
  6. Step 6: Final answer
    x = 166,793.08

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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.