Home / 186,796.09-280,328.74-74,411.27

Finding the Fourth Proportional to 186,796.09, 280,328.74 and 74,411.27

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Solution

The fourth proportional to 186,796.09, 280,328.74 and 74,411.27 is: 111,670.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,796.09 : 280,328.74 = 74,411.27 : x
  2. Step 2: Convert to fraction form
    186,796.09/280,328.74 = 74,411.27/x
  3. Step 3: Cross multiply
    186,796.09x = 280,328.74 × 74,411.27
  4. Step 4: Simplify right side
    186,796.09x = 20,859,617,560.90
  5. Step 5: Solve for x
    x = 20,859,617,560.90/186,796.09
  6. Step 6: Final answer
    x = 111,670.53

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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.