Home / 150,161.03-207,132.13-99,173.86

Finding the Fourth Proportional to 150,161.03, 207,132.13 and 99,173.86

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Solution

The fourth proportional to 150,161.03, 207,132.13 and 99,173.86 is: 136,800.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,161.03 : 207,132.13 = 99,173.86 : x
  2. Step 2: Convert to fraction form
    150,161.03/207,132.13 = 99,173.86/x
  3. Step 3: Cross multiply
    150,161.03x = 207,132.13 × 99,173.86
  4. Step 4: Simplify right side
    150,161.03x = 20,542,092,366.25
  5. Step 5: Solve for x
    x = 20,542,092,366.25/150,161.03
  6. Step 6: Final answer
    x = 136,800.42

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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.