Home / 128,864.07-193,249.73-44,601.35

Finding the Fourth Proportional to 128,864.07, 193,249.73 and 44,601.35

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Solution

The fourth proportional to 128,864.07, 193,249.73 and 44,601.35 is: 66,885.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,864.07 : 193,249.73 = 44,601.35 : x
  2. Step 2: Convert to fraction form
    128,864.07/193,249.73 = 44,601.35/x
  3. Step 3: Cross multiply
    128,864.07x = 193,249.73 × 44,601.35
  4. Step 4: Simplify right side
    128,864.07x = 8,619,197,990.39
  5. Step 5: Solve for x
    x = 8,619,197,990.39/128,864.07
  6. Step 6: Final answer
    x = 66,885.97

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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.