Home / 150,028.12-207,128.64-93,516.04

Finding the Fourth Proportional to 150,028.12, 207,128.64 and 93,516.04

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Solution

The fourth proportional to 150,028.12, 207,128.64 and 93,516.04 is: 129,108.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,028.12 : 207,128.64 = 93,516.04 : x
  2. Step 2: Convert to fraction form
    150,028.12/207,128.64 = 93,516.04/x
  3. Step 3: Cross multiply
    150,028.12x = 207,128.64 × 93,516.04
  4. Step 4: Simplify right side
    150,028.12x = 19,369,850,183.39
  5. Step 5: Solve for x
    x = 19,369,850,183.39/150,028.12
  6. Step 6: Final answer
    x = 129,108.13

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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.