Home / 130,640.22-195,913.26-45,227.87

Finding the Fourth Proportional to 130,640.22, 195,913.26 and 45,227.87

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Solution

The fourth proportional to 130,640.22, 195,913.26 and 45,227.87 is: 67,825.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,640.22 : 195,913.26 = 45,227.87 : x
  2. Step 2: Convert to fraction form
    130,640.22/195,913.26 = 45,227.87/x
  3. Step 3: Cross multiply
    130,640.22x = 195,913.26 × 45,227.87
  4. Step 4: Simplify right side
    130,640.22x = 8,860,739,082.46
  5. Step 5: Solve for x
    x = 8,860,739,082.46/130,640.22
  6. Step 6: Final answer
    x = 67,825.51

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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.