Home / 150,171.17-207,146.16-99,183.96

Finding the Fourth Proportional to 150,171.17, 207,146.16 and 99,183.96

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Solution

The fourth proportional to 150,171.17, 207,146.16 and 99,183.96 is: 136,814.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,171.17 : 207,146.16 = 99,183.96 : x
  2. Step 2: Convert to fraction form
    150,171.17/207,146.16 = 99,183.96/x
  3. Step 3: Cross multiply
    150,171.17x = 207,146.16 × 99,183.96
  4. Step 4: Simplify right side
    150,171.17x = 20,545,576,447.59
  5. Step 5: Solve for x
    x = 20,545,576,447.59/150,171.17
  6. Step 6: Final answer
    x = 136,814.39

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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.