Home / 276,141.21-414,216.94-86,597.36

Finding the Fourth Proportional to 276,141.21, 414,216.94 and 86,597.36

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Solution

The fourth proportional to 276,141.21, 414,216.94 and 86,597.36 is: 129,897.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,141.21 : 414,216.94 = 86,597.36 : x
  2. Step 2: Convert to fraction form
    276,141.21/414,216.94 = 86,597.36/x
  3. Step 3: Cross multiply
    276,141.21x = 414,216.94 × 86,597.36
  4. Step 4: Simplify right side
    276,141.21x = 35,870,093,471.28
  5. Step 5: Solve for x
    x = 35,870,093,471.28/276,141.21
  6. Step 6: Final answer
    x = 129,897.65

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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.