Home / 200,858.13-301,288.90-51,098.55

Finding the Fourth Proportional to 200,858.13, 301,288.90 and 51,098.55

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Solution

The fourth proportional to 200,858.13, 301,288.90 and 51,098.55 is: 76,648.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,858.13 : 301,288.90 = 51,098.55 : x
  2. Step 2: Convert to fraction form
    200,858.13/301,288.90 = 51,098.55/x
  3. Step 3: Cross multiply
    200,858.13x = 301,288.90 × 51,098.55
  4. Step 4: Simplify right side
    200,858.13x = 15,395,425,921.10
  5. Step 5: Solve for x
    x = 15,395,425,921.10/200,858.13
  6. Step 6: Final answer
    x = 76,648.26

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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.