Home / 198,020.06-297,027.38-48,261.50

Finding the Fourth Proportional to 198,020.06, 297,027.38 and 48,261.50

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Solution

The fourth proportional to 198,020.06, 297,027.38 and 48,261.50 is: 72,391.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,020.06 : 297,027.38 = 48,261.50 : x
  2. Step 2: Convert to fraction form
    198,020.06/297,027.38 = 48,261.50/x
  3. Step 3: Cross multiply
    198,020.06x = 297,027.38 × 48,261.50
  4. Step 4: Simplify right side
    198,020.06x = 14,334,986,899.87
  5. Step 5: Solve for x
    x = 14,334,986,899.87/198,020.06
  6. Step 6: Final answer
    x = 72,391.59

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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.