Home / 150,900.96-208,230.90-82,914.48

Finding the Fourth Proportional to 150,900.96, 208,230.90 and 82,914.48

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Solution

The fourth proportional to 150,900.96, 208,230.90 and 82,914.48 is: 114,415.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,900.96 : 208,230.90 = 82,914.48 : x
  2. Step 2: Convert to fraction form
    150,900.96/208,230.90 = 82,914.48/x
  3. Step 3: Cross multiply
    150,900.96x = 208,230.90 × 82,914.48
  4. Step 4: Simplify right side
    150,900.96x = 17,265,356,793.43
  5. Step 5: Solve for x
    x = 17,265,356,793.43/150,900.96
  6. Step 6: Final answer
    x = 114,415.16

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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.