Home / 132,661.41-183,076.23-72,234.60

Finding the Fourth Proportional to 132,661.41, 183,076.23 and 72,234.60

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Solution

The fourth proportional to 132,661.41, 183,076.23 and 72,234.60 is: 99,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,661.41 : 183,076.23 = 72,234.60 : x
  2. Step 2: Convert to fraction form
    132,661.41/183,076.23 = 72,234.60/x
  3. Step 3: Cross multiply
    132,661.41x = 183,076.23 × 72,234.60
  4. Step 4: Simplify right side
    132,661.41x = 13,224,438,243.56
  5. Step 5: Solve for x
    x = 13,224,438,243.56/132,661.41
  6. Step 6: Final answer
    x = 99,685.65

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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.