Home / 127,801.32-191,610.30-48,849

Finding the Fourth Proportional to 127,801.32, 191,610.30 and 48,849

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Solution

The fourth proportional to 127,801.32, 191,610.30 and 48,849 is: 73,238.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,801.32 : 191,610.30 = 48,849 : x
  2. Step 2: Convert to fraction form
    127,801.32/191,610.30 = 48,849/x
  3. Step 3: Cross multiply
    127,801.32x = 191,610.30 × 48,849
  4. Step 4: Simplify right side
    127,801.32x = 9,359,971,544.70
  5. Step 5: Solve for x
    x = 9,359,971,544.70/127,801.32
  6. Step 6: Final answer
    x = 73,238.46

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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.