Home / 127,983.14-191,974.78-53,083.16

Finding the Fourth Proportional to 127,983.14, 191,974.78 and 53,083.16

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Solution

The fourth proportional to 127,983.14, 191,974.78 and 53,083.16 is: 79,624.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,983.14 : 191,974.78 = 53,083.16 : x
  2. Step 2: Convert to fraction form
    127,983.14/191,974.78 = 53,083.16/x
  3. Step 3: Cross multiply
    127,983.14x = 191,974.78 × 53,083.16
  4. Step 4: Simplify right side
    127,983.14x = 10,190,628,570.36
  5. Step 5: Solve for x
    x = 10,190,628,570.36/127,983.14
  6. Step 6: Final answer
    x = 79,624.77

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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.