Home / 269,620.81-372,087.97-148,769.93

Finding the Fourth Proportional to 269,620.81, 372,087.97 and 148,769.93

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Solution

The fourth proportional to 269,620.81, 372,087.97 and 148,769.93 is: 205,308.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,620.81 : 372,087.97 = 148,769.93 : x
  2. Step 2: Convert to fraction form
    269,620.81/372,087.97 = 148,769.93/x
  3. Step 3: Cross multiply
    269,620.81x = 372,087.97 × 148,769.93
  4. Step 4: Simplify right side
    269,620.81x = 55,355,501,809.04
  5. Step 5: Solve for x
    x = 55,355,501,809.04/269,620.81
  6. Step 6: Final answer
    x = 205,308.72

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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.