Home / 131,149.22-196,920.63-75,052.67

Finding the Fourth Proportional to 131,149.22, 196,920.63 and 75,052.67

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Solution

The fourth proportional to 131,149.22, 196,920.63 and 75,052.67 is: 112,691.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,149.22 : 196,920.63 = 75,052.67 : x
  2. Step 2: Convert to fraction form
    131,149.22/196,920.63 = 75,052.67/x
  3. Step 3: Cross multiply
    131,149.22x = 196,920.63 × 75,052.67
  4. Step 4: Simplify right side
    131,149.22x = 14,779,419,059.58
  5. Step 5: Solve for x
    x = 14,779,419,059.58/131,149.22
  6. Step 6: Final answer
    x = 112,691.63

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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.