Home / 186,162.69-279,049.61-91,261.47

Finding the Fourth Proportional to 186,162.69, 279,049.61 and 91,261.47

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Solution

The fourth proportional to 186,162.69, 279,049.61 and 91,261.47 is: 136,796.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,162.69 : 279,049.61 = 91,261.47 : x
  2. Step 2: Convert to fraction form
    186,162.69/279,049.61 = 91,261.47/x
  3. Step 3: Cross multiply
    186,162.69x = 279,049.61 × 91,261.47
  4. Step 4: Simplify right side
    186,162.69x = 25,466,477,611.53
  5. Step 5: Solve for x
    x = 25,466,477,611.53/186,162.69
  6. Step 6: Final answer
    x = 136,796.89

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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.