Home / 130,078.20-195,122.70-41,329.20

Finding the Fourth Proportional to 130,078.20, 195,122.70 and 41,329.20

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Solution

The fourth proportional to 130,078.20, 195,122.70 and 41,329.20 is: 61,995.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,078.20 : 195,122.70 = 41,329.20 : x
  2. Step 2: Convert to fraction form
    130,078.20/195,122.70 = 41,329.20/x
  3. Step 3: Cross multiply
    130,078.20x = 195,122.70 × 41,329.20
  4. Step 4: Simplify right side
    130,078.20x = 8,064,265,092.84
  5. Step 5: Solve for x
    x = 8,064,265,092.84/130,078.20
  6. Step 6: Final answer
    x = 61,995.52

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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.