Home / 122,557.89-183,836.97-38,318.49

Finding the Fourth Proportional to 122,557.89, 183,836.97 and 38,318.49

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Solution

The fourth proportional to 122,557.89, 183,836.97 and 38,318.49 is: 57,477.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,557.89 : 183,836.97 = 38,318.49 : x
  2. Step 2: Convert to fraction form
    122,557.89/183,836.97 = 38,318.49/x
  3. Step 3: Cross multiply
    122,557.89x = 183,836.97 × 38,318.49
  4. Step 4: Simplify right side
    122,557.89x = 7,044,355,929.66
  5. Step 5: Solve for x
    x = 7,044,355,929.66/122,557.89
  6. Step 6: Final answer
    x = 57,477.79

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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.