Home / 150,090.86-225,024.50-90,912.26

Finding the Fourth Proportional to 150,090.86, 225,024.50 and 90,912.26

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Solution

The fourth proportional to 150,090.86, 225,024.50 and 90,912.26 is: 136,300.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,090.86 : 225,024.50 = 90,912.26 : x
  2. Step 2: Convert to fraction form
    150,090.86/225,024.50 = 90,912.26/x
  3. Step 3: Cross multiply
    150,090.86x = 225,024.50 × 90,912.26
  4. Step 4: Simplify right side
    150,090.86x = 20,457,485,850.37
  5. Step 5: Solve for x
    x = 20,457,485,850.37/150,090.86
  6. Step 6: Final answer
    x = 136,300.68

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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.