Home / 128,264.76-192,293.42-53,441.22

Finding the Fourth Proportional to 128,264.76, 192,293.42 and 53,441.22

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Solution

The fourth proportional to 128,264.76, 192,293.42 and 53,441.22 is: 80,118.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,264.76 : 192,293.42 = 53,441.22 : x
  2. Step 2: Convert to fraction form
    128,264.76/192,293.42 = 53,441.22/x
  3. Step 3: Cross multiply
    128,264.76x = 192,293.42 × 53,441.22
  4. Step 4: Simplify right side
    128,264.76x = 10,276,394,695.57
  5. Step 5: Solve for x
    x = 10,276,394,695.57/128,264.76
  6. Step 6: Final answer
    x = 80,118.61

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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.