Home / 82,186.86-123,283.81-32,277.78

Finding the Fourth Proportional to 82,186.86, 123,283.81 and 32,277.78

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Solution

The fourth proportional to 82,186.86, 123,283.81 and 32,277.78 is: 48,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,186.86 : 123,283.81 = 32,277.78 : x
  2. Step 2: Convert to fraction form
    82,186.86/123,283.81 = 32,277.78/x
  3. Step 3: Cross multiply
    82,186.86x = 123,283.81 × 32,277.78
  4. Step 4: Simplify right side
    82,186.86x = 3,979,327,696.74
  5. Step 5: Solve for x
    x = 3,979,327,696.74/82,186.86
  6. Step 6: Final answer
    x = 48,418.05

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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.