Home / 218,800.44-328,200.70-69,052.38

Finding the Fourth Proportional to 218,800.44, 328,200.70 and 69,052.38

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Solution

The fourth proportional to 218,800.44, 328,200.70 and 69,052.38 is: 103,578.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,800.44 : 328,200.70 = 69,052.38 : x
  2. Step 2: Convert to fraction form
    218,800.44/328,200.70 = 69,052.38/x
  3. Step 3: Cross multiply
    218,800.44x = 328,200.70 × 69,052.38
  4. Step 4: Simplify right side
    218,800.44x = 22,663,039,452.67
  5. Step 5: Solve for x
    x = 22,663,039,452.67/218,800.44
  6. Step 6: Final answer
    x = 103,578.58

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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.