Home / 135,810.36-203,726.43-51,610.86

Finding the Fourth Proportional to 135,810.36, 203,726.43 and 51,610.86

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Solution

The fourth proportional to 135,810.36, 203,726.43 and 51,610.86 is: 77,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,810.36 : 203,726.43 = 51,610.86 : x
  2. Step 2: Convert to fraction form
    135,810.36/203,726.43 = 51,610.86/x
  3. Step 3: Cross multiply
    135,810.36x = 203,726.43 × 51,610.86
  4. Step 4: Simplify right side
    135,810.36x = 10,514,496,257.03
  5. Step 5: Solve for x
    x = 10,514,496,257.03/135,810.36
  6. Step 6: Final answer
    x = 77,420.43

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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.