Home / 198,390.34-297,587.94-58,151.80

Finding the Fourth Proportional to 198,390.34, 297,587.94 and 58,151.80

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Solution

The fourth proportional to 198,390.34, 297,587.94 and 58,151.80 is: 87,228.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,390.34 : 297,587.94 = 58,151.80 : x
  2. Step 2: Convert to fraction form
    198,390.34/297,587.94 = 58,151.80/x
  3. Step 3: Cross multiply
    198,390.34x = 297,587.94 × 58,151.80
  4. Step 4: Simplify right side
    198,390.34x = 17,305,274,369.29
  5. Step 5: Solve for x
    x = 17,305,274,369.29/198,390.34
  6. Step 6: Final answer
    x = 87,228.41

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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.