Home / 186,272.07-279,449.78-67,943.42

Finding the Fourth Proportional to 186,272.07, 279,449.78 and 67,943.42

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Solution

The fourth proportional to 186,272.07, 279,449.78 and 67,943.42 is: 101,930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,272.07 : 279,449.78 = 67,943.42 : x
  2. Step 2: Convert to fraction form
    186,272.07/279,449.78 = 67,943.42/x
  3. Step 3: Cross multiply
    186,272.07x = 279,449.78 × 67,943.42
  4. Step 4: Simplify right side
    186,272.07x = 18,986,773,771.45
  5. Step 5: Solve for x
    x = 18,986,773,771.45/186,272.07
  6. Step 6: Final answer
    x = 101,930.33

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1.5x scale

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.