Home / 200,619.05-276,783.35-114,515.93

Finding the Fourth Proportional to 200,619.05, 276,783.35 and 114,515.93

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Solution

The fourth proportional to 200,619.05, 276,783.35 and 114,515.93 is: 157,991.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,619.05 : 276,783.35 = 114,515.93 : x
  2. Step 2: Convert to fraction form
    200,619.05/276,783.35 = 114,515.93/x
  3. Step 3: Cross multiply
    200,619.05x = 276,783.35 × 114,515.93
  4. Step 4: Simplify right side
    200,619.05x = 31,696,102,262.47
  5. Step 5: Solve for x
    x = 31,696,102,262.47/200,619.05
  6. Step 6: Final answer
    x = 157,991.49

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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.