Home / 131,026.28-196,615.62-55,119.26

Finding the Fourth Proportional to 131,026.28, 196,615.62 and 55,119.26

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Solution

The fourth proportional to 131,026.28, 196,615.62 and 55,119.26 is: 82,710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,026.28 : 196,615.62 = 55,119.26 : x
  2. Step 2: Convert to fraction form
    131,026.28/196,615.62 = 55,119.26/x
  3. Step 3: Cross multiply
    131,026.28x = 196,615.62 × 55,119.26
  4. Step 4: Simplify right side
    131,026.28x = 10,837,307,478.84
  5. Step 5: Solve for x
    x = 10,837,307,478.84/131,026.28
  6. Step 6: Final answer
    x = 82,710.95

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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.