Home / 222,753.32-307,399.38-120,782.16

Finding the Fourth Proportional to 222,753.32, 307,399.38 and 120,782.16

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Solution

The fourth proportional to 222,753.32, 307,399.38 and 120,782.16 is: 166,679.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,753.32 : 307,399.38 = 120,782.16 : x
  2. Step 2: Convert to fraction form
    222,753.32/307,399.38 = 120,782.16/x
  3. Step 3: Cross multiply
    222,753.32x = 307,399.38 × 120,782.16
  4. Step 4: Simplify right side
    222,753.32x = 37,128,361,099.06
  5. Step 5: Solve for x
    x = 37,128,361,099.06/222,753.32
  6. Step 6: Final answer
    x = 166,679.27

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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.