Home / 262,921.80-394,577.10-174,145.80

Finding the Fourth Proportional to 262,921.80, 394,577.10 and 174,145.80

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Solution

The fourth proportional to 262,921.80, 394,577.10 and 174,145.80 is: 261,347.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,921.80 : 394,577.10 = 174,145.80 : x
  2. Step 2: Convert to fraction form
    262,921.80/394,577.10 = 174,145.80/x
  3. Step 3: Cross multiply
    262,921.80x = 394,577.10 × 174,145.80
  4. Step 4: Simplify right side
    262,921.80x = 68,713,944,741.18
  5. Step 5: Solve for x
    x = 68,713,944,741.18/262,921.80
  6. Step 6: Final answer
    x = 261,347.46

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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.