Home / 130,087.72-195,111.24-41,329.60

Finding the Fourth Proportional to 130,087.72, 195,111.24 and 41,329.60

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Solution

The fourth proportional to 130,087.72, 195,111.24 and 41,329.60 is: 61,987.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,087.72 : 195,111.24 = 41,329.60 : x
  2. Step 2: Convert to fraction form
    130,087.72/195,111.24 = 41,329.60/x
  3. Step 3: Cross multiply
    130,087.72x = 195,111.24 × 41,329.60
  4. Step 4: Simplify right side
    130,087.72x = 8,063,869,504.70
  5. Step 5: Solve for x
    x = 8,063,869,504.70/130,087.72
  6. Step 6: Final answer
    x = 61,987.94

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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.