Home / 104,960.10-157,440.15-67,635.30

Finding the Fourth Proportional to 104,960.10, 157,440.15 and 67,635.30

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Solution

The fourth proportional to 104,960.10, 157,440.15 and 67,635.30 is: 101,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,960.10 : 157,440.15 = 67,635.30 : x
  2. Step 2: Convert to fraction form
    104,960.10/157,440.15 = 67,635.30/x
  3. Step 3: Cross multiply
    104,960.10x = 157,440.15 × 67,635.30
  4. Step 4: Simplify right side
    104,960.10x = 10,648,511,777.30
  5. Step 5: Solve for x
    x = 10,648,511,777.30/104,960.10
  6. Step 6: Final answer
    x = 101,452.95

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1.5x scale

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.