Home / 99,188.25-148,782.39-25,316.25

Finding the Fourth Proportional to 99,188.25, 148,782.39 and 25,316.25

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Solution

The fourth proportional to 99,188.25, 148,782.39 and 25,316.25 is: 37,974.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,188.25 : 148,782.39 = 25,316.25 : x
  2. Step 2: Convert to fraction form
    99,188.25/148,782.39 = 25,316.25/x
  3. Step 3: Cross multiply
    99,188.25x = 148,782.39 × 25,316.25
  4. Step 4: Simplify right side
    99,188.25x = 3,766,612,180.84
  5. Step 5: Solve for x
    x = 3,766,612,180.84/99,188.25
  6. Step 6: Final answer
    x = 37,974.38

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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.