Home / 186,575.43-279,861.75-53,455.80

Finding the Fourth Proportional to 186,575.43, 279,861.75 and 53,455.80

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Solution

The fourth proportional to 186,575.43, 279,861.75 and 53,455.80 is: 80,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,575.43 : 279,861.75 = 53,455.80 : x
  2. Step 2: Convert to fraction form
    186,575.43/279,861.75 = 53,455.80/x
  3. Step 3: Cross multiply
    186,575.43x = 279,861.75 × 53,455.80
  4. Step 4: Simplify right side
    186,575.43x = 14,960,233,735.65
  5. Step 5: Solve for x
    x = 14,960,233,735.65/186,575.43
  6. Step 6: Final answer
    x = 80,183.30

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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.