Home / 179,254.64-268,715.72-79,361.52

Finding the Fourth Proportional to 179,254.64, 268,715.72 and 79,361.52

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Solution

The fourth proportional to 179,254.64, 268,715.72 and 79,361.52 is: 118,968.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,254.64 : 268,715.72 = 79,361.52 : x
  2. Step 2: Convert to fraction form
    179,254.64/268,715.72 = 79,361.52/x
  3. Step 3: Cross multiply
    179,254.64x = 268,715.72 × 79,361.52
  4. Step 4: Simplify right side
    179,254.64x = 21,325,687,987.09
  5. Step 5: Solve for x
    x = 21,325,687,987.09/179,254.64
  6. Step 6: Final answer
    x = 118,968.68

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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.