Home / 190,772.14-285,776.69-114,828.97

Finding the Fourth Proportional to 190,772.14, 285,776.69 and 114,828.97

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Solution

The fourth proportional to 190,772.14, 285,776.69 and 114,828.97 is: 172,013.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,772.14 : 285,776.69 = 114,828.97 : x
  2. Step 2: Convert to fraction form
    190,772.14/285,776.69 = 114,828.97/x
  3. Step 3: Cross multiply
    190,772.14x = 285,776.69 × 114,828.97
  4. Step 4: Simplify right side
    190,772.14x = 32,815,441,533.83
  5. Step 5: Solve for x
    x = 32,815,441,533.83/190,772.14
  6. Step 6: Final answer
    x = 172,013.81

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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.