Home / 122,664.38-183,996.56-39,558.38

Finding the Fourth Proportional to 122,664.38, 183,996.56 and 39,558.38

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Solution

The fourth proportional to 122,664.38, 183,996.56 and 39,558.38 is: 59,337.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,664.38 : 183,996.56 = 39,558.38 : x
  2. Step 2: Convert to fraction form
    122,664.38/183,996.56 = 39,558.38/x
  3. Step 3: Cross multiply
    122,664.38x = 183,996.56 × 39,558.38
  4. Step 4: Simplify right side
    122,664.38x = 7,278,605,018.09
  5. Step 5: Solve for x
    x = 7,278,605,018.09/122,664.38
  6. Step 6: Final answer
    x = 59,337.56

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1.5x scale

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.