Home / 103,462.08-155,194.20-82,816.80

Finding the Fourth Proportional to 103,462.08, 155,194.20 and 82,816.80

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Solution

The fourth proportional to 103,462.08, 155,194.20 and 82,816.80 is: 124,226.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,462.08 : 155,194.20 = 82,816.80 : x
  2. Step 2: Convert to fraction form
    103,462.08/155,194.20 = 82,816.80/x
  3. Step 3: Cross multiply
    103,462.08x = 155,194.20 × 82,816.80
  4. Step 4: Simplify right side
    103,462.08x = 12,852,687,022.56
  5. Step 5: Solve for x
    x = 12,852,687,022.56/103,462.08
  6. Step 6: Final answer
    x = 124,226.06

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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.