Home / 190,788.22-263,137.50-169,007.80

Finding the Fourth Proportional to 190,788.22, 263,137.50 and 169,007.80

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Solution

The fourth proportional to 190,788.22, 263,137.50 and 169,007.80 is: 233,097.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,788.22 : 263,137.50 = 169,007.80 : x
  2. Step 2: Convert to fraction form
    190,788.22/263,137.50 = 169,007.80/x
  3. Step 3: Cross multiply
    190,788.22x = 263,137.50 × 169,007.80
  4. Step 4: Simplify right side
    190,788.22x = 44,472,289,972.50
  5. Step 5: Solve for x
    x = 44,472,289,972.50/190,788.22
  6. Step 6: Final answer
    x = 233,097.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.