Home / 133,814.96-200,722.50-40,320.71

Finding the Fourth Proportional to 133,814.96, 200,722.50 and 40,320.71

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Solution

The fourth proportional to 133,814.96, 200,722.50 and 40,320.71 is: 60,481.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,814.96 : 200,722.50 = 40,320.71 : x
  2. Step 2: Convert to fraction form
    133,814.96/200,722.50 = 40,320.71/x
  3. Step 3: Cross multiply
    133,814.96x = 200,722.50 × 40,320.71
  4. Step 4: Simplify right side
    133,814.96x = 8,093,272,709.36
  5. Step 5: Solve for x
    x = 8,093,272,709.36/133,814.96
  6. Step 6: Final answer
    x = 60,481.08

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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.