Home / 186,270.57-279,447.53-67,941.92

Finding the Fourth Proportional to 186,270.57, 279,447.53 and 67,941.92

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Solution

The fourth proportional to 186,270.57, 279,447.53 and 67,941.92 is: 101,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,270.57 : 279,447.53 = 67,941.92 : x
  2. Step 2: Convert to fraction form
    186,270.57/279,447.53 = 67,941.92/x
  3. Step 3: Cross multiply
    186,270.57x = 279,447.53 × 67,941.92
  4. Step 4: Simplify right side
    186,270.57x = 18,986,199,990.51
  5. Step 5: Solve for x
    x = 18,986,199,990.51/186,270.57
  6. Step 6: Final answer
    x = 101,928.07

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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.