Home / 178,972.34-268,458.51-73,788.57

Finding the Fourth Proportional to 178,972.34, 268,458.51 and 73,788.57

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Solution

The fourth proportional to 178,972.34, 268,458.51 and 73,788.57 is: 110,682.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,972.34 : 268,458.51 = 73,788.57 : x
  2. Step 2: Convert to fraction form
    178,972.34/268,458.51 = 73,788.57/x
  3. Step 3: Cross multiply
    178,972.34x = 268,458.51 × 73,788.57
  4. Step 4: Simplify right side
    178,972.34x = 19,809,169,557.23
  5. Step 5: Solve for x
    x = 19,809,169,557.23/178,972.34
  6. Step 6: Final answer
    x = 110,682.86

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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.