Home / 131,182.74-196,860.98-72,059.63

Finding the Fourth Proportional to 131,182.74, 196,860.98 and 72,059.63

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Solution

The fourth proportional to 131,182.74, 196,860.98 and 72,059.63 is: 108,137.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,182.74 : 196,860.98 = 72,059.63 : x
  2. Step 2: Convert to fraction form
    131,182.74/196,860.98 = 72,059.63/x
  3. Step 3: Cross multiply
    131,182.74x = 196,860.98 × 72,059.63
  4. Step 4: Simplify right side
    131,182.74x = 14,185,728,576.08
  5. Step 5: Solve for x
    x = 14,185,728,576.08/131,182.74
  6. Step 6: Final answer
    x = 108,137.16

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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.