Home / 133,922.16-200,884.68-40,428.72

Finding the Fourth Proportional to 133,922.16, 200,884.68 and 40,428.72

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Solution

The fourth proportional to 133,922.16, 200,884.68 and 40,428.72 is: 60,643.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,922.16 : 200,884.68 = 40,428.72 : x
  2. Step 2: Convert to fraction form
    133,922.16/200,884.68 = 40,428.72/x
  3. Step 3: Cross multiply
    133,922.16x = 200,884.68 × 40,428.72
  4. Step 4: Simplify right side
    133,922.16x = 8,121,510,480.01
  5. Step 5: Solve for x
    x = 8,121,510,480.01/133,922.16
  6. Step 6: Final answer
    x = 60,643.51

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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.