Home / 200,679.40-276,926.93-114,621.48

Finding the Fourth Proportional to 200,679.40, 276,926.93 and 114,621.48

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Solution

The fourth proportional to 200,679.40, 276,926.93 and 114,621.48 is: 158,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,679.40 : 276,926.93 = 114,621.48 : x
  2. Step 2: Convert to fraction form
    200,679.40/276,926.93 = 114,621.48/x
  3. Step 3: Cross multiply
    200,679.40x = 276,926.93 × 114,621.48
  4. Step 4: Simplify right side
    200,679.40x = 31,741,774,568.46
  5. Step 5: Solve for x
    x = 31,741,774,568.46/200,679.40
  6. Step 6: Final answer
    x = 158,171.56

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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.