Home / 148,432.82-222,652.47-89,317.94

Finding the Fourth Proportional to 148,432.82, 222,652.47 and 89,317.94

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Solution

The fourth proportional to 148,432.82, 222,652.47 and 89,317.94 is: 133,978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,432.82 : 222,652.47 = 89,317.94 : x
  2. Step 2: Convert to fraction form
    148,432.82/222,652.47 = 89,317.94/x
  3. Step 3: Cross multiply
    148,432.82x = 222,652.47 × 89,317.94
  4. Step 4: Simplify right side
    148,432.82x = 19,886,859,956.31
  5. Step 5: Solve for x
    x = 19,886,859,956.31/148,432.82
  6. Step 6: Final answer
    x = 133,978.86

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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.