Home / 186,740.18-279,979.06-68,396.14

Finding the Fourth Proportional to 186,740.18, 279,979.06 and 68,396.14

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Solution

The fourth proportional to 186,740.18, 279,979.06 and 68,396.14 is: 102,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,740.18 : 279,979.06 = 68,396.14 : x
  2. Step 2: Convert to fraction form
    186,740.18/279,979.06 = 68,396.14/x
  3. Step 3: Cross multiply
    186,740.18x = 279,979.06 × 68,396.14
  4. Step 4: Simplify right side
    186,740.18x = 19,149,486,984.83
  5. Step 5: Solve for x
    x = 19,149,486,984.83/186,740.18
  6. Step 6: Final answer
    x = 102,546.15

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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.