Home / 159,123.08-238,684.62-75,764.36

Finding the Fourth Proportional to 159,123.08, 238,684.62 and 75,764.36

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Solution

The fourth proportional to 159,123.08, 238,684.62 and 75,764.36 is: 113,646.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,123.08 : 238,684.62 = 75,764.36 : x
  2. Step 2: Convert to fraction form
    159,123.08/238,684.62 = 75,764.36/x
  3. Step 3: Cross multiply
    159,123.08x = 238,684.62 × 75,764.36
  4. Step 4: Simplify right side
    159,123.08x = 18,083,787,476.14
  5. Step 5: Solve for x
    x = 18,083,787,476.14/159,123.08
  6. Step 6: Final answer
    x = 113,646.54

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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.