Home / 186,986.80-279,823.44-161,005.36

Finding the Fourth Proportional to 186,986.80, 279,823.44 and 161,005.36

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Solution

The fourth proportional to 186,986.80, 279,823.44 and 161,005.36 is: 240,942.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,986.80 : 279,823.44 = 161,005.36 : x
  2. Step 2: Convert to fraction form
    186,986.80/279,823.44 = 161,005.36/x
  3. Step 3: Cross multiply
    186,986.80x = 279,823.44 × 161,005.36
  4. Step 4: Simplify right side
    186,986.80x = 45,053,073,693.64
  5. Step 5: Solve for x
    x = 45,053,073,693.64/186,986.80
  6. Step 6: Final answer
    x = 240,942.54

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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.