Home / 186,560.40-278,408.08-166,629.54

Finding the Fourth Proportional to 186,560.40, 278,408.08 and 166,629.54

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Solution

The fourth proportional to 186,560.40, 278,408.08 and 166,629.54 is: 248,664.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,560.40 : 278,408.08 = 166,629.54 : x
  2. Step 2: Convert to fraction form
    186,560.40/278,408.08 = 166,629.54/x
  3. Step 3: Cross multiply
    186,560.40x = 278,408.08 × 166,629.54
  4. Step 4: Simplify right side
    186,560.40x = 46,391,010,302.68
  5. Step 5: Solve for x
    x = 46,391,010,302.68/186,560.40
  6. Step 6: Final answer
    x = 248,664.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.