Home / 131,274.88-197,087.36-111,679.36

Finding the Fourth Proportional to 131,274.88, 197,087.36 and 111,679.36

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Solution

The fourth proportional to 131,274.88, 197,087.36 and 111,679.36 is: 167,667.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,274.88 : 197,087.36 = 111,679.36 : x
  2. Step 2: Convert to fraction form
    131,274.88/197,087.36 = 111,679.36/x
  3. Step 3: Cross multiply
    131,274.88x = 197,087.36 × 111,679.36
  4. Step 4: Simplify right side
    131,274.88x = 22,010,590,228.89
  5. Step 5: Solve for x
    x = 22,010,590,228.89/131,274.88
  6. Step 6: Final answer
    x = 167,667.95

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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.