Home / 133,105.87-199,341.28-73,794.43

Finding the Fourth Proportional to 133,105.87, 199,341.28 and 73,794.43

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Solution

The fourth proportional to 133,105.87, 199,341.28 and 73,794.43 is: 110,515.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,105.87 : 199,341.28 = 73,794.43 : x
  2. Step 2: Convert to fraction form
    133,105.87/199,341.28 = 73,794.43/x
  3. Step 3: Cross multiply
    133,105.87x = 199,341.28 × 73,794.43
  4. Step 4: Simplify right side
    133,105.87x = 14,710,276,133.07
  5. Step 5: Solve for x
    x = 14,710,276,133.07/133,105.87
  6. Step 6: Final answer
    x = 110,515.61

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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.