Home / 124,858.30-187,693.44-100,168.42

Finding the Fourth Proportional to 124,858.30, 187,693.44 and 100,168.42

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Solution

The fourth proportional to 124,858.30, 187,693.44 and 100,168.42 is: 150,578.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,858.30 : 187,693.44 = 100,168.42 : x
  2. Step 2: Convert to fraction form
    124,858.30/187,693.44 = 100,168.42/x
  3. Step 3: Cross multiply
    124,858.30x = 187,693.44 × 100,168.42
  4. Step 4: Simplify right side
    124,858.30x = 18,800,955,329.16
  5. Step 5: Solve for x
    x = 18,800,955,329.16/124,858.30
  6. Step 6: Final answer
    x = 150,578.34

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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.