Home / 279,844.44-386,193.42-152,528.28

Finding the Fourth Proportional to 279,844.44, 386,193.42 and 152,528.28

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Solution

The fourth proportional to 279,844.44, 386,193.42 and 152,528.28 is: 210,493.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,844.44 : 386,193.42 = 152,528.28 : x
  2. Step 2: Convert to fraction form
    279,844.44/386,193.42 = 152,528.28/x
  3. Step 3: Cross multiply
    279,844.44x = 386,193.42 × 152,528.28
  4. Step 4: Simplify right side
    279,844.44x = 58,905,418,099.92
  5. Step 5: Solve for x
    x = 58,905,418,099.92/279,844.44
  6. Step 6: Final answer
    x = 210,493.44

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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.