Home / 133,205.37-183,823.41-76,616.75

Finding the Fourth Proportional to 133,205.37, 183,823.41 and 76,616.75

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Solution

The fourth proportional to 133,205.37, 183,823.41 and 76,616.75 is: 105,731.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,205.37 : 183,823.41 = 76,616.75 : x
  2. Step 2: Convert to fraction form
    133,205.37/183,823.41 = 76,616.75/x
  3. Step 3: Cross multiply
    133,205.37x = 183,823.41 × 76,616.75
  4. Step 4: Simplify right side
    133,205.37x = 14,083,951,329.00
  5. Step 5: Solve for x
    x = 14,083,951,329.00/133,205.37
  6. Step 6: Final answer
    x = 105,731.11

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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.