Home / 186,144.12-279,229.32-53,035.20

Finding the Fourth Proportional to 186,144.12, 279,229.32 and 53,035.20

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Solution

The fourth proportional to 186,144.12, 279,229.32 and 53,035.20 is: 79,556.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,144.12 : 279,229.32 = 53,035.20 : x
  2. Step 2: Convert to fraction form
    186,144.12/279,229.32 = 53,035.20/x
  3. Step 3: Cross multiply
    186,144.12x = 279,229.32 × 53,035.20
  4. Step 4: Simplify right side
    186,144.12x = 14,808,982,832.06
  5. Step 5: Solve for x
    x = 14,808,982,832.06/186,144.12
  6. Step 6: Final answer
    x = 79,556.54

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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.