Home / 150,162.03-207,133.50-99,174.86

Finding the Fourth Proportional to 150,162.03, 207,133.50 and 99,174.86

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Solution

The fourth proportional to 150,162.03, 207,133.50 and 99,174.86 is: 136,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,162.03 : 207,133.50 = 99,174.86 : x
  2. Step 2: Convert to fraction form
    150,162.03/207,133.50 = 99,174.86/x
  3. Step 3: Cross multiply
    150,162.03x = 207,133.50 × 99,174.86
  4. Step 4: Simplify right side
    150,162.03x = 20,542,435,863.81
  5. Step 5: Solve for x
    x = 20,542,435,863.81/150,162.03
  6. Step 6: Final answer
    x = 136,801.80

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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.