Home / 198,061.56-297,280.98-122,954.40

Finding the Fourth Proportional to 198,061.56, 297,280.98 and 122,954.40

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Solution

The fourth proportional to 198,061.56, 297,280.98 and 122,954.40 is: 184,548.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,061.56 : 297,280.98 = 122,954.40 : x
  2. Step 2: Convert to fraction form
    198,061.56/297,280.98 = 122,954.40/x
  3. Step 3: Cross multiply
    198,061.56x = 297,280.98 × 122,954.40
  4. Step 4: Simplify right side
    198,061.56x = 36,552,004,527.31
  5. Step 5: Solve for x
    x = 36,552,004,527.31/198,061.56
  6. Step 6: Final answer
    x = 184,548.71

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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.