Home / 134,936.75-186,210.41-74,505.89

Finding the Fourth Proportional to 134,936.75, 186,210.41 and 74,505.89

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Solution

The fourth proportional to 134,936.75, 186,210.41 and 74,505.89 is: 102,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,936.75 : 186,210.41 = 74,505.89 : x
  2. Step 2: Convert to fraction form
    134,936.75/186,210.41 = 74,505.89/x
  3. Step 3: Cross multiply
    134,936.75x = 186,210.41 × 74,505.89
  4. Step 4: Simplify right side
    134,936.75x = 13,873,771,020.73
  5. Step 5: Solve for x
    x = 13,873,771,020.73/134,936.75
  6. Step 6: Final answer
    x = 102,816.85

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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.