Home / 658,192.25-987,288.38-159,556.25

Finding the Fourth Proportional to 658,192.25, 987,288.38 and 159,556.25

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Solution

The fourth proportional to 658,192.25, 987,288.38 and 159,556.25 is: 239,334.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,192.25 : 987,288.38 = 159,556.25 : x
  2. Step 2: Convert to fraction form
    658,192.25/987,288.38 = 159,556.25/x
  3. Step 3: Cross multiply
    658,192.25x = 987,288.38 × 159,556.25
  4. Step 4: Simplify right side
    658,192.25x = 157,528,031,581.38
  5. Step 5: Solve for x
    x = 157,528,031,581.38/658,192.25
  6. Step 6: Final answer
    x = 239,334.38

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Double scale
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Similar ratio
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1.5x scale

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.