Home / 131,993.60-198,159.36-113,392.64

Finding the Fourth Proportional to 131,993.60, 198,159.36 and 113,392.64

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Solution

The fourth proportional to 131,993.60, 198,159.36 and 113,392.64 is: 170,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,993.60 : 198,159.36 = 113,392.64 : x
  2. Step 2: Convert to fraction form
    131,993.60/198,159.36 = 113,392.64/x
  3. Step 3: Cross multiply
    131,993.60x = 198,159.36 × 113,392.64
  4. Step 4: Simplify right side
    131,993.60x = 22,469,812,971.11
  5. Step 5: Solve for x
    x = 22,469,812,971.11/131,993.60
  6. Step 6: Final answer
    x = 170,234.11

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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.