Home / 178,123.51-267,202.82-51,764.86

Finding the Fourth Proportional to 178,123.51, 267,202.82 and 51,764.86

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Solution

The fourth proportional to 178,123.51, 267,202.82 and 51,764.86 is: 77,652.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,123.51 : 267,202.82 = 51,764.86 : x
  2. Step 2: Convert to fraction form
    178,123.51/267,202.82 = 51,764.86/x
  3. Step 3: Cross multiply
    178,123.51x = 267,202.82 × 51,764.86
  4. Step 4: Simplify right side
    178,123.51x = 13,831,716,568.91
  5. Step 5: Solve for x
    x = 13,831,716,568.91/178,123.51
  6. Step 6: Final answer
    x = 77,652.39

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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.