Home / 135,623.26-203,434.90-52,517.26

Finding the Fourth Proportional to 135,623.26, 203,434.90 and 52,517.26

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Solution

The fourth proportional to 135,623.26, 203,434.90 and 52,517.26 is: 78,775.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,623.26 : 203,434.90 = 52,517.26 : x
  2. Step 2: Convert to fraction form
    135,623.26/203,434.90 = 52,517.26/x
  3. Step 3: Cross multiply
    135,623.26x = 203,434.90 × 52,517.26
  4. Step 4: Simplify right side
    135,623.26x = 10,683,843,536.37
  5. Step 5: Solve for x
    x = 10,683,843,536.37/135,623.26
  6. Step 6: Final answer
    x = 78,775.89

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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.