Home / 100,943.92-151,238.19-89,948.48

Finding the Fourth Proportional to 100,943.92, 151,238.19 and 89,948.48

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Solution

The fourth proportional to 100,943.92, 151,238.19 and 89,948.48 is: 134,764.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,943.92 : 151,238.19 = 89,948.48 : x
  2. Step 2: Convert to fraction form
    100,943.92/151,238.19 = 89,948.48/x
  3. Step 3: Cross multiply
    100,943.92x = 151,238.19 × 89,948.48
  4. Step 4: Simplify right side
    100,943.92x = 13,603,644,383.61
  5. Step 5: Solve for x
    x = 13,603,644,383.61/100,943.92
  6. Step 6: Final answer
    x = 134,764.37

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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.