Home / 127,944.80-191,845.20-49,061.60

Finding the Fourth Proportional to 127,944.80, 191,845.20 and 49,061.60

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Solution

The fourth proportional to 127,944.80, 191,845.20 and 49,061.60 is: 73,564.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,944.80 : 191,845.20 = 49,061.60 : x
  2. Step 2: Convert to fraction form
    127,944.80/191,845.20 = 49,061.60/x
  3. Step 3: Cross multiply
    127,944.80x = 191,845.20 × 49,061.60
  4. Step 4: Simplify right side
    127,944.80x = 9,412,232,464.32
  5. Step 5: Solve for x
    x = 9,412,232,464.32/127,944.80
  6. Step 6: Final answer
    x = 73,564.79

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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.