Home / 159,448.32-238,729.56-80,322.64

Finding the Fourth Proportional to 159,448.32, 238,729.56 and 80,322.64

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Solution

The fourth proportional to 159,448.32, 238,729.56 and 80,322.64 is: 120,260.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,448.32 : 238,729.56 = 80,322.64 : x
  2. Step 2: Convert to fraction form
    159,448.32/238,729.56 = 80,322.64/x
  3. Step 3: Cross multiply
    159,448.32x = 238,729.56 × 80,322.64
  4. Step 4: Simplify right side
    159,448.32x = 19,175,388,505.24
  5. Step 5: Solve for x
    x = 19,175,388,505.24/159,448.32
  6. Step 6: Final answer
    x = 120,260.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.