Home / 269,712.20-405,005.70-181,357.40

Finding the Fourth Proportional to 269,712.20, 405,005.70 and 181,357.40

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Solution

The fourth proportional to 269,712.20, 405,005.70 and 181,357.40 is: 272,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,712.20 : 405,005.70 = 181,357.40 : x
  2. Step 2: Convert to fraction form
    269,712.20/405,005.70 = 181,357.40/x
  3. Step 3: Cross multiply
    269,712.20x = 405,005.70 × 181,357.40
  4. Step 4: Simplify right side
    269,712.20x = 73,450,780,737.18
  5. Step 5: Solve for x
    x = 73,450,780,737.18/269,712.20
  6. Step 6: Final answer
    x = 272,330.21

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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.