Home / 186,271.30-279,448.62-67,942.64

Finding the Fourth Proportional to 186,271.30, 279,448.62 and 67,942.64

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Solution

The fourth proportional to 186,271.30, 279,448.62 and 67,942.64 is: 101,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,271.30 : 279,448.62 = 67,942.64 : x
  2. Step 2: Convert to fraction form
    186,271.30/279,448.62 = 67,942.64/x
  3. Step 3: Cross multiply
    186,271.30x = 279,448.62 × 67,942.64
  4. Step 4: Simplify right side
    186,271.30x = 18,986,476,645.04
  5. Step 5: Solve for x
    x = 18,986,476,645.04/186,271.30
  6. Step 6: Final answer
    x = 101,929.16

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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.