Home / 135,975.22-203,892.80-61,031.12

Finding the Fourth Proportional to 135,975.22, 203,892.80 and 61,031.12

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Solution

The fourth proportional to 135,975.22, 203,892.80 and 61,031.12 is: 91,515.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,975.22 : 203,892.80 = 61,031.12 : x
  2. Step 2: Convert to fraction form
    135,975.22/203,892.80 = 61,031.12/x
  3. Step 3: Cross multiply
    135,975.22x = 203,892.80 × 61,031.12
  4. Step 4: Simplify right side
    135,975.22x = 12,443,805,943.94
  5. Step 5: Solve for x
    x = 12,443,805,943.94/135,975.22
  6. Step 6: Final answer
    x = 91,515.25

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1.5x scale

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.