Home / 269,809.68-372,318.24-148,931.56

Finding the Fourth Proportional to 269,809.68, 372,318.24 and 148,931.56

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Solution

The fourth proportional to 269,809.68, 372,318.24 and 148,931.56 is: 205,515.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,809.68 : 372,318.24 = 148,931.56 : x
  2. Step 2: Convert to fraction form
    269,809.68/372,318.24 = 148,931.56/x
  3. Step 3: Cross multiply
    269,809.68x = 372,318.24 × 148,931.56
  4. Step 4: Simplify right side
    269,809.68x = 55,449,936,299.65
  5. Step 5: Solve for x
    x = 55,449,936,299.65/269,809.68
  6. Step 6: Final answer
    x = 205,515.00

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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.