Home / 250,233.41-375,272.49-90,288.53

Finding the Fourth Proportional to 250,233.41, 375,272.49 and 90,288.53

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Solution

The fourth proportional to 250,233.41, 375,272.49 and 90,288.53 is: 135,404.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,233.41 : 375,272.49 = 90,288.53 : x
  2. Step 2: Convert to fraction form
    250,233.41/375,272.49 = 90,288.53/x
  3. Step 3: Cross multiply
    250,233.41x = 375,272.49 × 90,288.53
  4. Step 4: Simplify right side
    250,233.41x = 33,882,802,409.72
  5. Step 5: Solve for x
    x = 33,882,802,409.72/250,233.41
  6. Step 6: Final answer
    x = 135,404.79

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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.