Home / 133,815.24-200,722.86-53,890.11

Finding the Fourth Proportional to 133,815.24, 200,722.86 and 53,890.11

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Solution

The fourth proportional to 133,815.24, 200,722.86 and 53,890.11 is: 80,835.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,815.24 : 200,722.86 = 53,890.11 : x
  2. Step 2: Convert to fraction form
    133,815.24/200,722.86 = 53,890.11/x
  3. Step 3: Cross multiply
    133,815.24x = 200,722.86 × 53,890.11
  4. Step 4: Simplify right side
    133,815.24x = 10,816,977,004.91
  5. Step 5: Solve for x
    x = 10,816,977,004.91/133,815.24
  6. Step 6: Final answer
    x = 80,835.17

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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.