Home / 297,956.41-411,184.34-161,990.04

Finding the Fourth Proportional to 297,956.41, 411,184.34 and 161,990.04

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Solution

The fourth proportional to 297,956.41, 411,184.34 and 161,990.04 is: 223,548.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,956.41 : 411,184.34 = 161,990.04 : x
  2. Step 2: Convert to fraction form
    297,956.41/411,184.34 = 161,990.04/x
  3. Step 3: Cross multiply
    297,956.41x = 411,184.34 × 161,990.04
  4. Step 4: Simplify right side
    297,956.41x = 66,607,767,683.97
  5. Step 5: Solve for x
    x = 66,607,767,683.97/297,956.41
  6. Step 6: Final answer
    x = 223,548.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.