Home / 269,764.20-405,083.70-181,409.40

Finding the Fourth Proportional to 269,764.20, 405,083.70 and 181,409.40

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Solution

The fourth proportional to 269,764.20, 405,083.70 and 181,409.40 is: 272,408.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,764.20 : 405,083.70 = 181,409.40 : x
  2. Step 2: Convert to fraction form
    269,764.20/405,083.70 = 181,409.40/x
  3. Step 3: Cross multiply
    269,764.20x = 405,083.70 × 181,409.40
  4. Step 4: Simplify right side
    269,764.20x = 73,485,990,966.78
  5. Step 5: Solve for x
    x = 73,485,990,966.78/269,764.20
  6. Step 6: Final answer
    x = 272,408.24

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1.5x scale

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.