Home / 131,275.08-196,912.62-104,856.12

Finding the Fourth Proportional to 131,275.08, 196,912.62 and 104,856.12

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Solution

The fourth proportional to 131,275.08, 196,912.62 and 104,856.12 is: 157,284.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,275.08 : 196,912.62 = 104,856.12 : x
  2. Step 2: Convert to fraction form
    131,275.08/196,912.62 = 104,856.12/x
  3. Step 3: Cross multiply
    131,275.08x = 196,912.62 × 104,856.12
  4. Step 4: Simplify right side
    131,275.08x = 20,647,493,312.23
  5. Step 5: Solve for x
    x = 20,647,493,312.23/131,275.08
  6. Step 6: Final answer
    x = 157,284.18

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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.