Home / 186,794.09-280,325.74-74,409.27

Finding the Fourth Proportional to 186,794.09, 280,325.74 and 74,409.27

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Solution

The fourth proportional to 186,794.09, 280,325.74 and 74,409.27 is: 111,667.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,794.09 : 280,325.74 = 74,409.27 : x
  2. Step 2: Convert to fraction form
    186,794.09/280,325.74 = 74,409.27/x
  3. Step 3: Cross multiply
    186,794.09x = 280,325.74 × 74,409.27
  4. Step 4: Simplify right side
    186,794.09x = 20,858,833,675.61
  5. Step 5: Solve for x
    x = 20,858,833,675.61/186,794.09
  6. Step 6: Final answer
    x = 111,667.52

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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.