Home / 148,815.48-223,370.24-77,808.45

Finding the Fourth Proportional to 148,815.48, 223,370.24 and 77,808.45

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Solution

The fourth proportional to 148,815.48, 223,370.24 and 77,808.45 is: 116,789.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,815.48 : 223,370.24 = 77,808.45 : x
  2. Step 2: Convert to fraction form
    148,815.48/223,370.24 = 77,808.45/x
  3. Step 3: Cross multiply
    148,815.48x = 223,370.24 × 77,808.45
  4. Step 4: Simplify right side
    148,815.48x = 17,380,091,761.49
  5. Step 5: Solve for x
    x = 17,380,091,761.49/148,815.48
  6. Step 6: Final answer
    x = 116,789.54

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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.