Home / 131,337.28-196,690.08-75,006.67

Finding the Fourth Proportional to 131,337.28, 196,690.08 and 75,006.67

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Solution

The fourth proportional to 131,337.28, 196,690.08 and 75,006.67 is: 112,329.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,337.28 : 196,690.08 = 75,006.67 : x
  2. Step 2: Convert to fraction form
    131,337.28/196,690.08 = 75,006.67/x
  3. Step 3: Cross multiply
    131,337.28x = 196,690.08 × 75,006.67
  4. Step 4: Simplify right side
    131,337.28x = 14,753,067,922.83
  5. Step 5: Solve for x
    x = 14,753,067,922.83/131,337.28
  6. Step 6: Final answer
    x = 112,329.63

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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.