Home / 127,169.89-190,794.94-79,817.92

Finding the Fourth Proportional to 127,169.89, 190,794.94 and 79,817.92

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Solution

The fourth proportional to 127,169.89, 190,794.94 and 79,817.92 is: 119,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,169.89 : 190,794.94 = 79,817.92 : x
  2. Step 2: Convert to fraction form
    127,169.89/190,794.94 = 79,817.92/x
  3. Step 3: Cross multiply
    127,169.89x = 190,794.94 × 79,817.92
  4. Step 4: Simplify right side
    127,169.89x = 15,228,854,580.79
  5. Step 5: Solve for x
    x = 15,228,854,580.79/127,169.89
  6. Step 6: Final answer
    x = 119,752.05

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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.