Home / 150,119.60-207,167.64-82,142.52

Finding the Fourth Proportional to 150,119.60, 207,167.64 and 82,142.52

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Solution

The fourth proportional to 150,119.60, 207,167.64 and 82,142.52 is: 113,358.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,119.60 : 207,167.64 = 82,142.52 : x
  2. Step 2: Convert to fraction form
    150,119.60/207,167.64 = 82,142.52/x
  3. Step 3: Cross multiply
    150,119.60x = 207,167.64 × 82,142.52
  4. Step 4: Simplify right side
    150,119.60x = 17,017,271,333.98
  5. Step 5: Solve for x
    x = 17,017,271,333.98/150,119.60
  6. Step 6: Final answer
    x = 113,358.09

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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.