Home / 127,222.52-190,579.23-76,593.47

Finding the Fourth Proportional to 127,222.52, 190,579.23 and 76,593.47

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Solution

The fourth proportional to 127,222.52, 190,579.23 and 76,593.47 is: 114,736.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,222.52 : 190,579.23 = 76,593.47 : x
  2. Step 2: Convert to fraction form
    127,222.52/190,579.23 = 76,593.47/x
  3. Step 3: Cross multiply
    127,222.52x = 190,579.23 × 76,593.47
  4. Step 4: Simplify right side
    127,222.52x = 14,597,123,582.73
  5. Step 5: Solve for x
    x = 14,597,123,582.73/127,222.52
  6. Step 6: Final answer
    x = 114,736.95

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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.