Home / 133,698.86-200,581.19-38,929.87

Finding the Fourth Proportional to 133,698.86, 200,581.19 and 38,929.87

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Solution

The fourth proportional to 133,698.86, 200,581.19 and 38,929.87 is: 58,404.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,698.86 : 200,581.19 = 38,929.87 : x
  2. Step 2: Convert to fraction form
    133,698.86/200,581.19 = 38,929.87/x
  3. Step 3: Cross multiply
    133,698.86x = 200,581.19 × 38,929.87
  4. Step 4: Simplify right side
    133,698.86x = 7,808,599,651.15
  5. Step 5: Solve for x
    x = 7,808,599,651.15/133,698.86
  6. Step 6: Final answer
    x = 58,404.38

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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.