Home / 386,022.33-579,110.81-133,312.05

Finding the Fourth Proportional to 386,022.33, 579,110.81 and 133,312.05

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Solution

The fourth proportional to 386,022.33, 579,110.81 and 133,312.05 is: 199,994.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,022.33 : 579,110.81 = 133,312.05 : x
  2. Step 2: Convert to fraction form
    386,022.33/579,110.81 = 133,312.05/x
  3. Step 3: Cross multiply
    386,022.33x = 579,110.81 × 133,312.05
  4. Step 4: Simplify right side
    386,022.33x = 77,202,448,591.70
  5. Step 5: Solve for x
    x = 77,202,448,591.70/386,022.33
  6. Step 6: Final answer
    x = 199,994.77

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