Home / 195,256.45-292,772.57-76,863.20

Finding the Fourth Proportional to 195,256.45, 292,772.57 and 76,863.20

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Solution

The fourth proportional to 195,256.45, 292,772.57 and 76,863.20 is: 115,250.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,256.45 : 292,772.57 = 76,863.20 : x
  2. Step 2: Convert to fraction form
    195,256.45/292,772.57 = 76,863.20/x
  3. Step 3: Cross multiply
    195,256.45x = 292,772.57 × 76,863.20
  4. Step 4: Simplify right side
    195,256.45x = 22,503,436,218.11
  5. Step 5: Solve for x
    x = 22,503,436,218.11/195,256.45
  6. Step 6: Final answer
    x = 115,250.67

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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.