Home / 133,715.13-200,583.65-54,830.04

Finding the Fourth Proportional to 133,715.13, 200,583.65 and 54,830.04

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Solution

The fourth proportional to 133,715.13, 200,583.65 and 54,830.04 is: 82,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,715.13 : 200,583.65 = 54,830.04 : x
  2. Step 2: Convert to fraction form
    133,715.13/200,583.65 = 54,830.04/x
  3. Step 3: Cross multiply
    133,715.13x = 200,583.65 × 54,830.04
  4. Step 4: Simplify right side
    133,715.13x = 10,998,009,278.70
  5. Step 5: Solve for x
    x = 10,998,009,278.70/133,715.13
  6. Step 6: Final answer
    x = 82,249.55

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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.