Home / 150,387.10-225,334.56-91,042.90

Finding the Fourth Proportional to 150,387.10, 225,334.56 and 91,042.90

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Solution

The fourth proportional to 150,387.10, 225,334.56 and 91,042.90 is: 136,415.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,387.10 : 225,334.56 = 91,042.90 : x
  2. Step 2: Convert to fraction form
    150,387.10/225,334.56 = 91,042.90/x
  3. Step 3: Cross multiply
    150,387.10x = 225,334.56 × 91,042.90
  4. Step 4: Simplify right side
    150,387.10x = 20,515,111,812.62
  5. Step 5: Solve for x
    x = 20,515,111,812.62/150,387.10
  6. Step 6: Final answer
    x = 136,415.37

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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.