Home / 133,675.20-200,538.08-53,719.38

Finding the Fourth Proportional to 133,675.20, 200,538.08 and 53,719.38

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Solution

The fourth proportional to 133,675.20, 200,538.08 and 53,719.38 is: 80,589.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,675.20 : 200,538.08 = 53,719.38 : x
  2. Step 2: Convert to fraction form
    133,675.20/200,538.08 = 53,719.38/x
  3. Step 3: Cross multiply
    133,675.20x = 200,538.08 × 53,719.38
  4. Step 4: Simplify right side
    133,675.20x = 10,772,781,055.39
  5. Step 5: Solve for x
    x = 10,772,781,055.39/133,675.20
  6. Step 6: Final answer
    x = 80,589.23

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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.