Home / 135,624.26-203,436.40-52,518.26

Finding the Fourth Proportional to 135,624.26, 203,436.40 and 52,518.26

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Solution

The fourth proportional to 135,624.26, 203,436.40 and 52,518.26 is: 78,777.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,624.26 : 203,436.40 = 52,518.26 : x
  2. Step 2: Convert to fraction form
    135,624.26/203,436.40 = 52,518.26/x
  3. Step 3: Cross multiply
    135,624.26x = 203,436.40 × 52,518.26
  4. Step 4: Simplify right side
    135,624.26x = 10,684,125,748.66
  5. Step 5: Solve for x
    x = 10,684,125,748.66/135,624.26
  6. Step 6: Final answer
    x = 78,777.39

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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.