Home / 112,188.28-168,138.43-48,991.27

Finding the Fourth Proportional to 112,188.28, 168,138.43 and 48,991.27

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Solution

The fourth proportional to 112,188.28, 168,138.43 and 48,991.27 is: 73,424.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,188.28 : 168,138.43 = 48,991.27 : x
  2. Step 2: Convert to fraction form
    112,188.28/168,138.43 = 48,991.27/x
  3. Step 3: Cross multiply
    112,188.28x = 168,138.43 × 48,991.27
  4. Step 4: Simplify right side
    112,188.28x = 8,237,314,135.86
  5. Step 5: Solve for x
    x = 8,237,314,135.86/112,188.28
  6. Step 6: Final answer
    x = 73,424.02

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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.