Home / 148,558.20-222,788.70-55,051.80

Finding the Fourth Proportional to 148,558.20, 222,788.70 and 55,051.80

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Solution

The fourth proportional to 148,558.20, 222,788.70 and 55,051.80 is: 82,559.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,558.20 : 222,788.70 = 55,051.80 : x
  2. Step 2: Convert to fraction form
    148,558.20/222,788.70 = 55,051.80/x
  3. Step 3: Cross multiply
    148,558.20x = 222,788.70 × 55,051.80
  4. Step 4: Simplify right side
    148,558.20x = 12,264,918,954.66
  5. Step 5: Solve for x
    x = 12,264,918,954.66/148,558.20
  6. Step 6: Final answer
    x = 82,559.69

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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.