Home / 149,497.50-206,306.55-82,433.82

Finding the Fourth Proportional to 149,497.50, 206,306.55 and 82,433.82

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Solution

The fourth proportional to 149,497.50, 206,306.55 and 82,433.82 is: 113,758.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,497.50 : 206,306.55 = 82,433.82 : x
  2. Step 2: Convert to fraction form
    149,497.50/206,306.55 = 82,433.82/x
  3. Step 3: Cross multiply
    149,497.50x = 206,306.55 × 82,433.82
  4. Step 4: Simplify right side
    149,497.50x = 17,006,637,007.52
  5. Step 5: Solve for x
    x = 17,006,637,007.52/149,497.50
  6. Step 6: Final answer
    x = 113,758.67

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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.