Home / 127,828.39-191,770.26-48,942.64

Finding the Fourth Proportional to 127,828.39, 191,770.26 and 48,942.64

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Solution

The fourth proportional to 127,828.39, 191,770.26 and 48,942.64 is: 73,424.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,828.39 : 191,770.26 = 48,942.64 : x
  2. Step 2: Convert to fraction form
    127,828.39/191,770.26 = 48,942.64/x
  3. Step 3: Cross multiply
    127,828.39x = 191,770.26 × 48,942.64
  4. Step 4: Simplify right side
    127,828.39x = 9,385,742,797.89
  5. Step 5: Solve for x
    x = 9,385,742,797.89/127,828.39
  6. Step 6: Final answer
    x = 73,424.56

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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.