Home / 131,254.08-196,912.20-42,507.54

Finding the Fourth Proportional to 131,254.08, 196,912.20 and 42,507.54

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Solution

The fourth proportional to 131,254.08, 196,912.20 and 42,507.54 is: 63,771.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,254.08 : 196,912.20 = 42,507.54 : x
  2. Step 2: Convert to fraction form
    131,254.08/196,912.20 = 42,507.54/x
  3. Step 3: Cross multiply
    131,254.08x = 196,912.20 × 42,507.54
  4. Step 4: Simplify right side
    131,254.08x = 8,370,253,217.99
  5. Step 5: Solve for x
    x = 8,370,253,217.99/131,254.08
  6. Step 6: Final answer
    x = 63,771.38

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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.