Home / 181,926.20-272,889.30-137,311.40

Finding the Fourth Proportional to 181,926.20, 272,889.30 and 137,311.40

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Solution

The fourth proportional to 181,926.20, 272,889.30 and 137,311.40 is: 205,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,926.20 : 272,889.30 = 137,311.40 : x
  2. Step 2: Convert to fraction form
    181,926.20/272,889.30 = 137,311.40/x
  3. Step 3: Cross multiply
    181,926.20x = 272,889.30 × 137,311.40
  4. Step 4: Simplify right side
    181,926.20x = 37,470,811,828.02
  5. Step 5: Solve for x
    x = 37,470,811,828.02/181,926.20
  6. Step 6: Final answer
    x = 205,967.10

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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.