Home / 262,899.88-394,344.06-73,355.20

Finding the Fourth Proportional to 262,899.88, 394,344.06 and 73,355.20

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Solution

The fourth proportional to 262,899.88, 394,344.06 and 73,355.20 is: 110,031.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,899.88 : 394,344.06 = 73,355.20 : x
  2. Step 2: Convert to fraction form
    262,899.88/394,344.06 = 73,355.20/x
  3. Step 3: Cross multiply
    262,899.88x = 394,344.06 × 73,355.20
  4. Step 4: Simplify right side
    262,899.88x = 28,927,187,390.11
  5. Step 5: Solve for x
    x = 28,927,187,390.11/262,899.88
  6. Step 6: Final answer
    x = 110,031.19

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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.