Home / 130,122.57-195,185.22-45,867.03

Finding the Fourth Proportional to 130,122.57, 195,185.22 and 45,867.03

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Solution

The fourth proportional to 130,122.57, 195,185.22 and 45,867.03 is: 68,801.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,122.57 : 195,185.22 = 45,867.03 : x
  2. Step 2: Convert to fraction form
    130,122.57/195,185.22 = 45,867.03/x
  3. Step 3: Cross multiply
    130,122.57x = 195,185.22 × 45,867.03
  4. Step 4: Simplify right side
    130,122.57x = 8,952,566,341.30
  5. Step 5: Solve for x
    x = 8,952,566,341.30/130,122.57
  6. Step 6: Final answer
    x = 68,801.03

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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.