Home / 181,924.20-272,886.30-137,309.40

Finding the Fourth Proportional to 181,924.20, 272,886.30 and 137,309.40

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Solution

The fourth proportional to 181,924.20, 272,886.30 and 137,309.40 is: 205,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,924.20 : 272,886.30 = 137,309.40 : x
  2. Step 2: Convert to fraction form
    181,924.20/272,886.30 = 137,309.40/x
  3. Step 3: Cross multiply
    181,924.20x = 272,886.30 × 137,309.40
  4. Step 4: Simplify right side
    181,924.20x = 37,469,854,121.22
  5. Step 5: Solve for x
    x = 37,469,854,121.22/181,924.20
  6. Step 6: Final answer
    x = 205,964.10

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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.