Home / 150,188.20-207,260.10-83,122.60

Finding the Fourth Proportional to 150,188.20, 207,260.10 and 83,122.60

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Solution

The fourth proportional to 150,188.20, 207,260.10 and 83,122.60 is: 114,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,188.20 : 207,260.10 = 83,122.60 : x
  2. Step 2: Convert to fraction form
    150,188.20/207,260.10 = 83,122.60/x
  3. Step 3: Cross multiply
    150,188.20x = 207,260.10 × 83,122.60
  4. Step 4: Simplify right side
    150,188.20x = 17,227,998,388.26
  5. Step 5: Solve for x
    x = 17,227,998,388.26/150,188.20
  6. Step 6: Final answer
    x = 114,709.40

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1.5x scale

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.