Home / 131,106.60-196,659.90-113,999.40

Finding the Fourth Proportional to 131,106.60, 196,659.90 and 113,999.40

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Solution

The fourth proportional to 131,106.60, 196,659.90 and 113,999.40 is: 170,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,106.60 : 196,659.90 = 113,999.40 : x
  2. Step 2: Convert to fraction form
    131,106.60/196,659.90 = 113,999.40/x
  3. Step 3: Cross multiply
    131,106.60x = 196,659.90 × 113,999.40
  4. Step 4: Simplify right side
    131,106.60x = 22,419,110,604.06
  5. Step 5: Solve for x
    x = 22,419,110,604.06/131,106.60
  6. Step 6: Final answer
    x = 170,999.10

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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.