Home / 127,594.40-191,419.27-38,845.60

Finding the Fourth Proportional to 127,594.40, 191,419.27 and 38,845.60

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Solution

The fourth proportional to 127,594.40, 191,419.27 and 38,845.60 is: 58,276.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,594.40 : 191,419.27 = 38,845.60 : x
  2. Step 2: Convert to fraction form
    127,594.40/191,419.27 = 38,845.60/x
  3. Step 3: Cross multiply
    127,594.40x = 191,419.27 × 38,845.60
  4. Step 4: Simplify right side
    127,594.40x = 7,435,795,819.05
  5. Step 5: Solve for x
    x = 7,435,795,819.05/127,594.40
  6. Step 6: Final answer
    x = 58,276.82

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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.