Home / 197,945.84-296,860.71-55,781.66

Finding the Fourth Proportional to 197,945.84, 296,860.71 and 55,781.66

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Solution

The fourth proportional to 197,945.84, 296,860.71 and 55,781.66 is: 83,656.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,945.84 : 296,860.71 = 55,781.66 : x
  2. Step 2: Convert to fraction form
    197,945.84/296,860.71 = 55,781.66/x
  3. Step 3: Cross multiply
    197,945.84x = 296,860.71 × 55,781.66
  4. Step 4: Simplify right side
    197,945.84x = 16,559,383,192.58
  5. Step 5: Solve for x
    x = 16,559,383,192.58/197,945.84
  6. Step 6: Final answer
    x = 83,656.13

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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.