Home / 186,028.86-279,044.38-45,786.54

Finding the Fourth Proportional to 186,028.86, 279,044.38 and 45,786.54

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Solution

The fourth proportional to 186,028.86, 279,044.38 and 45,786.54 is: 68,680.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,028.86 : 279,044.38 = 45,786.54 : x
  2. Step 2: Convert to fraction form
    186,028.86/279,044.38 = 45,786.54/x
  3. Step 3: Cross multiply
    186,028.86x = 279,044.38 × 45,786.54
  4. Step 4: Simplify right side
    186,028.86x = 12,776,476,666.65
  5. Step 5: Solve for x
    x = 12,776,476,666.65/186,028.86
  6. Step 6: Final answer
    x = 68,680.08

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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.