Home / 127,819.60-191,729.40-33,049.60

Finding the Fourth Proportional to 127,819.60, 191,729.40 and 33,049.60

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Solution

The fourth proportional to 127,819.60, 191,729.40 and 33,049.60 is: 49,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,819.60 : 191,729.40 = 33,049.60 : x
  2. Step 2: Convert to fraction form
    127,819.60/191,729.40 = 33,049.60/x
  3. Step 3: Cross multiply
    127,819.60x = 191,729.40 × 33,049.60
  4. Step 4: Simplify right side
    127,819.60x = 6,336,579,978.24
  5. Step 5: Solve for x
    x = 6,336,579,978.24/127,819.60
  6. Step 6: Final answer
    x = 49,574.40

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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.