Home / 131,635.30-197,274.03-55,670.69

Finding the Fourth Proportional to 131,635.30, 197,274.03 and 55,670.69

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Solution

The fourth proportional to 131,635.30, 197,274.03 and 55,670.69 is: 83,430.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,635.30 : 197,274.03 = 55,670.69 : x
  2. Step 2: Convert to fraction form
    131,635.30/197,274.03 = 55,670.69/x
  3. Step 3: Cross multiply
    131,635.30x = 197,274.03 × 55,670.69
  4. Step 4: Simplify right side
    131,635.30x = 10,982,381,369.18
  5. Step 5: Solve for x
    x = 10,982,381,369.18/131,635.30
  6. Step 6: Final answer
    x = 83,430.37

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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.