Home / 133,864.11-200,522.79-74,731.28

Finding the Fourth Proportional to 133,864.11, 200,522.79 and 74,731.28

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Solution

The fourth proportional to 133,864.11, 200,522.79 and 74,731.28 is: 111,944.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,864.11 : 200,522.79 = 74,731.28 : x
  2. Step 2: Convert to fraction form
    133,864.11/200,522.79 = 74,731.28/x
  3. Step 3: Cross multiply
    133,864.11x = 200,522.79 × 74,731.28
  4. Step 4: Simplify right side
    133,864.11x = 14,985,323,763.26
  5. Step 5: Solve for x
    x = 14,985,323,763.26/133,864.11
  6. Step 6: Final answer
    x = 111,944.30

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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.