Home / 214,990.20-322,468.02-74,728.44

Finding the Fourth Proportional to 214,990.20, 322,468.02 and 74,728.44

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Solution

The fourth proportional to 214,990.20, 322,468.02 and 74,728.44 is: 112,086.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,990.20 : 322,468.02 = 74,728.44 : x
  2. Step 2: Convert to fraction form
    214,990.20/322,468.02 = 74,728.44/x
  3. Step 3: Cross multiply
    214,990.20x = 322,468.02 × 74,728.44
  4. Step 4: Simplify right side
    214,990.20x = 24,097,532,084.49
  5. Step 5: Solve for x
    x = 24,097,532,084.49/214,990.20
  6. Step 6: Final answer
    x = 112,086.65

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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.