Home / 128,352.92-192,481.44-44,089.16

Finding the Fourth Proportional to 128,352.92, 192,481.44 and 44,089.16

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Solution

The fourth proportional to 128,352.92, 192,481.44 and 44,089.16 is: 66,117.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,352.92 : 192,481.44 = 44,089.16 : x
  2. Step 2: Convert to fraction form
    128,352.92/192,481.44 = 44,089.16/x
  3. Step 3: Cross multiply
    128,352.92x = 192,481.44 × 44,089.16
  4. Step 4: Simplify right side
    128,352.92x = 8,486,345,005.19
  5. Step 5: Solve for x
    x = 8,486,345,005.19/128,352.92
  6. Step 6: Final answer
    x = 66,117.27

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1.5x scale

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.