Home / 186,005.29-279,122.15-147,828.73

Finding the Fourth Proportional to 186,005.29, 279,122.15 and 147,828.73

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Solution

The fourth proportional to 186,005.29, 279,122.15 and 147,828.73 is: 221,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,005.29 : 279,122.15 = 147,828.73 : x
  2. Step 2: Convert to fraction form
    186,005.29/279,122.15 = 147,828.73/x
  3. Step 3: Cross multiply
    186,005.29x = 279,122.15 × 147,828.73
  4. Step 4: Simplify right side
    186,005.29x = 41,262,272,621.14
  5. Step 5: Solve for x
    x = 41,262,272,621.14/186,005.29
  6. Step 6: Final answer
    x = 221,833.87

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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.