Home / 262,215.20-393,063.60-104,232.80

Finding the Fourth Proportional to 262,215.20, 393,063.60 and 104,232.80

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Solution

The fourth proportional to 262,215.20, 393,063.60 and 104,232.80 is: 156,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,215.20 : 393,063.60 = 104,232.80 : x
  2. Step 2: Convert to fraction form
    262,215.20/393,063.60 = 104,232.80/x
  3. Step 3: Cross multiply
    262,215.20x = 393,063.60 × 104,232.80
  4. Step 4: Simplify right side
    262,215.20x = 40,970,119,606.08
  5. Step 5: Solve for x
    x = 40,970,119,606.08/262,215.20
  6. Step 6: Final answer
    x = 156,246.17

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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.