Home / 131,195.10-196,806.96-48,089.10

Finding the Fourth Proportional to 131,195.10, 196,806.96 and 48,089.10

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Solution

The fourth proportional to 131,195.10, 196,806.96 and 48,089.10 is: 72,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,195.10 : 196,806.96 = 48,089.10 : x
  2. Step 2: Convert to fraction form
    131,195.10/196,806.96 = 48,089.10/x
  3. Step 3: Cross multiply
    131,195.10x = 196,806.96 × 48,089.10
  4. Step 4: Simplify right side
    131,195.10x = 9,464,269,580.14
  5. Step 5: Solve for x
    x = 9,464,269,580.14/131,195.10
  6. Step 6: Final answer
    x = 72,138.90

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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.