Home / 128,406.42-192,622.59-44,173.44

Finding the Fourth Proportional to 128,406.42, 192,622.59 and 44,173.44

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Solution

The fourth proportional to 128,406.42, 192,622.59 and 44,173.44 is: 66,264.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,406.42 : 192,622.59 = 44,173.44 : x
  2. Step 2: Convert to fraction form
    128,406.42/192,622.59 = 44,173.44/x
  3. Step 3: Cross multiply
    128,406.42x = 192,622.59 × 44,173.44
  4. Step 4: Simplify right side
    128,406.42x = 8,508,802,422.01
  5. Step 5: Solve for x
    x = 8,508,802,422.01/128,406.42
  6. Step 6: Final answer
    x = 66,264.62

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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.