Home / 186,784.54-257,761.45-106,212.06

Finding the Fourth Proportional to 186,784.54, 257,761.45 and 106,212.06

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Solution

The fourth proportional to 186,784.54, 257,761.45 and 106,212.06 is: 146,571.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,784.54 : 257,761.45 = 106,212.06 : x
  2. Step 2: Convert to fraction form
    186,784.54/257,761.45 = 106,212.06/x
  3. Step 3: Cross multiply
    186,784.54x = 257,761.45 × 106,212.06
  4. Step 4: Simplify right side
    186,784.54x = 27,377,374,593.09
  5. Step 5: Solve for x
    x = 27,377,374,593.09/186,784.54
  6. Step 6: Final answer
    x = 146,571.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.