Home / 218,818.10-328,270.35-183,998.90

Finding the Fourth Proportional to 218,818.10, 328,270.35 and 183,998.90

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Solution

The fourth proportional to 218,818.10, 328,270.35 and 183,998.90 is: 276,034.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,818.10 : 328,270.35 = 183,998.90 : x
  2. Step 2: Convert to fraction form
    218,818.10/328,270.35 = 183,998.90/x
  3. Step 3: Cross multiply
    218,818.10x = 328,270.35 × 183,998.90
  4. Step 4: Simplify right side
    218,818.10x = 60,401,383,302.62
  5. Step 5: Solve for x
    x = 60,401,383,302.62/218,818.10
  6. Step 6: Final answer
    x = 276,034.68

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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.