Home / 135,975.11-203,892.62-61,031.00

Finding the Fourth Proportional to 135,975.11, 203,892.62 and 61,031.00

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Solution

The fourth proportional to 135,975.11, 203,892.62 and 61,031.00 is: 91,515.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,975.11 : 203,892.62 = 61,031.00 : x
  2. Step 2: Convert to fraction form
    135,975.11/203,892.62 = 61,031.00/x
  3. Step 3: Cross multiply
    135,975.11x = 203,892.62 × 61,031.00
  4. Step 4: Simplify right side
    135,975.11x = 12,443,769,166.60
  5. Step 5: Solve for x
    x = 12,443,769,166.60/135,975.11
  6. Step 6: Final answer
    x = 91,515.05

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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.