Home / 148,879.49-223,188.01-55,319.63

Finding the Fourth Proportional to 148,879.49, 223,188.01 and 55,319.63

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Solution

The fourth proportional to 148,879.49, 223,188.01 and 55,319.63 is: 82,930.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,879.49 : 223,188.01 = 55,319.63 : x
  2. Step 2: Convert to fraction form
    148,879.49/223,188.01 = 55,319.63/x
  3. Step 3: Cross multiply
    148,879.49x = 223,188.01 × 55,319.63
  4. Step 4: Simplify right side
    148,879.49x = 12,346,676,879.40
  5. Step 5: Solve for x
    x = 12,346,676,879.40/148,879.49
  6. Step 6: Final answer
    x = 82,930.68

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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.