Home / 201,782.38-276,443.12-194,215.36

Finding the Fourth Proportional to 201,782.38, 276,443.12 and 194,215.36

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Solution

The fourth proportional to 201,782.38, 276,443.12 and 194,215.36 is: 266,076.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,782.38 : 276,443.12 = 194,215.36 : x
  2. Step 2: Convert to fraction form
    201,782.38/276,443.12 = 194,215.36/x
  3. Step 3: Cross multiply
    201,782.38x = 276,443.12 × 194,215.36
  4. Step 4: Simplify right side
    201,782.38x = 53,689,500,070.32
  5. Step 5: Solve for x
    x = 53,689,500,070.32/201,782.38
  6. Step 6: Final answer
    x = 266,076.26

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.