Home / 135,897.48-203,615.91-83,196.81

Finding the Fourth Proportional to 135,897.48, 203,615.91 and 83,196.81

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Solution

The fourth proportional to 135,897.48, 203,615.91 and 83,196.81 is: 124,654.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,897.48 : 203,615.91 = 83,196.81 : x
  2. Step 2: Convert to fraction form
    135,897.48/203,615.91 = 83,196.81/x
  3. Step 3: Cross multiply
    135,897.48x = 203,615.91 × 83,196.81
  4. Step 4: Simplify right side
    135,897.48x = 16,940,194,177.25
  5. Step 5: Solve for x
    x = 16,940,194,177.25/135,897.48
  6. Step 6: Final answer
    x = 124,654.22

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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.