Home / 218,000.20-327,000.30-183,785.80

Finding the Fourth Proportional to 218,000.20, 327,000.30 and 183,785.80

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Solution

The fourth proportional to 218,000.20, 327,000.30 and 183,785.80 is: 275,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,000.20 : 327,000.30 = 183,785.80 : x
  2. Step 2: Convert to fraction form
    218,000.20/327,000.30 = 183,785.80/x
  3. Step 3: Cross multiply
    218,000.20x = 327,000.30 × 183,785.80
  4. Step 4: Simplify right side
    218,000.20x = 60,098,011,735.74
  5. Step 5: Solve for x
    x = 60,098,011,735.74/218,000.20
  6. Step 6: Final answer
    x = 275,678.70

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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.