Home / 192,788.81-266,048.48-107,905.87

Finding the Fourth Proportional to 192,788.81, 266,048.48 and 107,905.87

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Solution

The fourth proportional to 192,788.81, 266,048.48 and 107,905.87 is: 148,910.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,788.81 : 266,048.48 = 107,905.87 : x
  2. Step 2: Convert to fraction form
    192,788.81/266,048.48 = 107,905.87/x
  3. Step 3: Cross multiply
    192,788.81x = 266,048.48 × 107,905.87
  4. Step 4: Simplify right side
    192,788.81x = 28,708,193,298.90
  5. Step 5: Solve for x
    x = 28,708,193,298.90/192,788.81
  6. Step 6: Final answer
    x = 148,910.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.