Home / 82,180.56-123,220.95-32,200.77

Finding the Fourth Proportional to 82,180.56, 123,220.95 and 32,200.77

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Solution

The fourth proportional to 82,180.56, 123,220.95 and 32,200.77 is: 48,281.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,180.56 : 123,220.95 = 32,200.77 : x
  2. Step 2: Convert to fraction form
    82,180.56/123,220.95 = 32,200.77/x
  3. Step 3: Cross multiply
    82,180.56x = 123,220.95 × 32,200.77
  4. Step 4: Simplify right side
    82,180.56x = 3,967,809,811.46
  5. Step 5: Solve for x
    x = 3,967,809,811.46/82,180.56
  6. Step 6: Final answer
    x = 48,281.61

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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.