Home / 205,228.20-307,842.30-181,727.40

Finding the Fourth Proportional to 205,228.20, 307,842.30 and 181,727.40

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Solution

The fourth proportional to 205,228.20, 307,842.30 and 181,727.40 is: 272,591.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,228.20 : 307,842.30 = 181,727.40 : x
  2. Step 2: Convert to fraction form
    205,228.20/307,842.30 = 181,727.40/x
  3. Step 3: Cross multiply
    205,228.20x = 307,842.30 × 181,727.40
  4. Step 4: Simplify right side
    205,228.20x = 55,943,380,789.02
  5. Step 5: Solve for x
    x = 55,943,380,789.02/205,228.20
  6. Step 6: Final answer
    x = 272,591.10

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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.