Home / 201,624.46-302,439.66-51,861.40

Finding the Fourth Proportional to 201,624.46, 302,439.66 and 51,861.40

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Solution

The fourth proportional to 201,624.46, 302,439.66 and 51,861.40 is: 77,792.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,624.46 : 302,439.66 = 51,861.40 : x
  2. Step 2: Convert to fraction form
    201,624.46/302,439.66 = 51,861.40/x
  3. Step 3: Cross multiply
    201,624.46x = 302,439.66 × 51,861.40
  4. Step 4: Simplify right side
    201,624.46x = 15,684,944,183.12
  5. Step 5: Solve for x
    x = 15,684,944,183.12/201,624.46
  6. Step 6: Final answer
    x = 77,792.86

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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.