Home / 276,381.26-414,361.20-86,732.24

Finding the Fourth Proportional to 276,381.26, 414,361.20 and 86,732.24

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Solution

The fourth proportional to 276,381.26, 414,361.20 and 86,732.24 is: 130,032.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,381.26 : 414,361.20 = 86,732.24 : x
  2. Step 2: Convert to fraction form
    276,381.26/414,361.20 = 86,732.24/x
  3. Step 3: Cross multiply
    276,381.26x = 414,361.20 × 86,732.24
  4. Step 4: Simplify right side
    276,381.26x = 35,938,475,045.09
  5. Step 5: Solve for x
    x = 35,938,475,045.09/276,381.26
  6. Step 6: Final answer
    x = 130,032.24

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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.