Home / 240,942.72-331,965.68-159,125.67

Finding the Fourth Proportional to 240,942.72, 331,965.68 and 159,125.67

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Solution

The fourth proportional to 240,942.72, 331,965.68 and 159,125.67 is: 219,239.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,942.72 : 331,965.68 = 159,125.67 : x
  2. Step 2: Convert to fraction form
    240,942.72/331,965.68 = 159,125.67/x
  3. Step 3: Cross multiply
    240,942.72x = 331,965.68 × 159,125.67
  4. Step 4: Simplify right side
    240,942.72x = 52,824,260,451.38
  5. Step 5: Solve for x
    x = 52,824,260,451.38/240,942.72
  6. Step 6: Final answer
    x = 219,239.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.