Home / 130,147.10-195,122.49-71,033.18

Finding the Fourth Proportional to 130,147.10, 195,122.49 and 71,033.18

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Solution

The fourth proportional to 130,147.10, 195,122.49 and 71,033.18 is: 106,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,147.10 : 195,122.49 = 71,033.18 : x
  2. Step 2: Convert to fraction form
    130,147.10/195,122.49 = 71,033.18/x
  3. Step 3: Cross multiply
    130,147.10x = 195,122.49 × 71,033.18
  4. Step 4: Simplify right side
    130,147.10x = 13,860,170,954.22
  5. Step 5: Solve for x
    x = 13,860,170,954.22/130,147.10
  6. Step 6: Final answer
    x = 106,496.20

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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.