Home / 135,911.76-203,777.64-64,845.36

Finding the Fourth Proportional to 135,911.76, 203,777.64 and 64,845.36

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Solution

The fourth proportional to 135,911.76, 203,777.64 and 64,845.36 is: 97,225.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,911.76 : 203,777.64 = 64,845.36 : x
  2. Step 2: Convert to fraction form
    135,911.76/203,777.64 = 64,845.36/x
  3. Step 3: Cross multiply
    135,911.76x = 203,777.64 × 64,845.36
  4. Step 4: Simplify right side
    135,911.76x = 13,214,034,425.75
  5. Step 5: Solve for x
    x = 13,214,034,425.75/135,911.76
  6. Step 6: Final answer
    x = 97,225.10

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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.