Home / 658,396.92-987,633.66-185,119.20

Finding the Fourth Proportional to 658,396.92, 987,633.66 and 185,119.20

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Solution

The fourth proportional to 658,396.92, 987,633.66 and 185,119.20 is: 277,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,396.92 : 987,633.66 = 185,119.20 : x
  2. Step 2: Convert to fraction form
    658,396.92/987,633.66 = 185,119.20/x
  3. Step 3: Cross multiply
    658,396.92x = 987,633.66 × 185,119.20
  4. Step 4: Simplify right side
    658,396.92x = 182,829,953,032.27
  5. Step 5: Solve for x
    x = 182,829,953,032.27/658,396.92
  6. Step 6: Final answer
    x = 277,689.56

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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.