Home / 162,376.89-243,399.24-82,266.41

Finding the Fourth Proportional to 162,376.89, 243,399.24 and 82,266.41

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Solution

The fourth proportional to 162,376.89, 243,399.24 and 82,266.41 is: 123,315.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,376.89 : 243,399.24 = 82,266.41 : x
  2. Step 2: Convert to fraction form
    162,376.89/243,399.24 = 82,266.41/x
  3. Step 3: Cross multiply
    162,376.89x = 243,399.24 × 82,266.41
  4. Step 4: Simplify right side
    162,376.89x = 20,023,580,454.53
  5. Step 5: Solve for x
    x = 20,023,580,454.53/162,376.89
  6. Step 6: Final answer
    x = 123,315.46

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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.