Home / 150,564.62-207,777.76-82,580.21

Finding the Fourth Proportional to 150,564.62, 207,777.76 and 82,580.21

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Solution

The fourth proportional to 150,564.62, 207,777.76 and 82,580.21 is: 113,959.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,564.62 : 207,777.76 = 82,580.21 : x
  2. Step 2: Convert to fraction form
    150,564.62/207,777.76 = 82,580.21/x
  3. Step 3: Cross multiply
    150,564.62x = 207,777.76 × 82,580.21
  4. Step 4: Simplify right side
    150,564.62x = 17,158,330,587.96
  5. Step 5: Solve for x
    x = 17,158,330,587.96/150,564.62
  6. Step 6: Final answer
    x = 113,959.91

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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.