Home / 200,862.78-301,295.94-51,103.20

Finding the Fourth Proportional to 200,862.78, 301,295.94 and 51,103.20

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Solution

The fourth proportional to 200,862.78, 301,295.94 and 51,103.20 is: 76,655.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,862.78 : 301,295.94 = 51,103.20 : x
  2. Step 2: Convert to fraction form
    200,862.78/301,295.94 = 51,103.20/x
  3. Step 3: Cross multiply
    200,862.78x = 301,295.94 × 51,103.20
  4. Step 4: Simplify right side
    200,862.78x = 15,397,186,681.01
  5. Step 5: Solve for x
    x = 15,397,186,681.01/200,862.78
  6. Step 6: Final answer
    x = 76,655.25

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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.