Home / 128,824.35-193,249.78-44,584.36

Finding the Fourth Proportional to 128,824.35, 193,249.78 and 44,584.36

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Solution

The fourth proportional to 128,824.35, 193,249.78 and 44,584.36 is: 66,881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,824.35 : 193,249.78 = 44,584.36 : x
  2. Step 2: Convert to fraction form
    128,824.35/193,249.78 = 44,584.36/x
  3. Step 3: Cross multiply
    128,824.35x = 193,249.78 × 44,584.36
  4. Step 4: Simplify right side
    128,824.35x = 8,615,918,133.10
  5. Step 5: Solve for x
    x = 8,615,918,133.10/128,824.35
  6. Step 6: Final answer
    x = 66,881.13

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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.