Home / 131,868.84-197,587.01-55,906.69

Finding the Fourth Proportional to 131,868.84, 197,587.01 and 55,906.69

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Solution

The fourth proportional to 131,868.84, 197,587.01 and 55,906.69 is: 83,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,868.84 : 197,587.01 = 55,906.69 : x
  2. Step 2: Convert to fraction form
    131,868.84/197,587.01 = 55,906.69/x
  3. Step 3: Cross multiply
    131,868.84x = 197,587.01 × 55,906.69
  4. Step 4: Simplify right side
    131,868.84x = 11,046,435,716.10
  5. Step 5: Solve for x
    x = 11,046,435,716.10/131,868.84
  6. Step 6: Final answer
    x = 83,768.35

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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.