Home / 198,794.80-298,090.05-58,535.20

Finding the Fourth Proportional to 198,794.80, 298,090.05 and 58,535.20

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Solution

The fourth proportional to 198,794.80, 298,090.05 and 58,535.20 is: 87,772.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,794.80 : 298,090.05 = 58,535.20 : x
  2. Step 2: Convert to fraction form
    198,794.80/298,090.05 = 58,535.20/x
  3. Step 3: Cross multiply
    198,794.80x = 298,090.05 × 58,535.20
  4. Step 4: Simplify right side
    198,794.80x = 17,448,760,694.76
  5. Step 5: Solve for x
    x = 17,448,760,694.76/198,794.80
  6. Step 6: Final answer
    x = 87,772.72

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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.