Home / 658,190.75-987,286.13-159,554.75

Finding the Fourth Proportional to 658,190.75, 987,286.13 and 159,554.75

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Solution

The fourth proportional to 658,190.75, 987,286.13 and 159,554.75 is: 239,332.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,190.75 : 987,286.13 = 159,554.75 : x
  2. Step 2: Convert to fraction form
    658,190.75/987,286.13 = 159,554.75/x
  3. Step 3: Cross multiply
    658,190.75x = 987,286.13 × 159,554.75
  4. Step 4: Simplify right side
    658,190.75x = 157,526,190,852.84
  5. Step 5: Solve for x
    x = 157,526,190,852.84/658,190.75
  6. Step 6: Final answer
    x = 239,332.13

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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.