Home / 198,801.18-298,099.60-58,541.58

Finding the Fourth Proportional to 198,801.18, 298,099.60 and 58,541.58

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Solution

The fourth proportional to 198,801.18, 298,099.60 and 58,541.58 is: 87,782.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,801.18 : 298,099.60 = 58,541.58 : x
  2. Step 2: Convert to fraction form
    198,801.18/298,099.60 = 58,541.58/x
  3. Step 3: Cross multiply
    198,801.18x = 298,099.60 × 58,541.58
  4. Step 4: Simplify right side
    198,801.18x = 17,451,221,581.37
  5. Step 5: Solve for x
    x = 17,451,221,581.37/198,801.18
  6. Step 6: Final answer
    x = 87,782.28

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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.