Home / 204,303.09-306,388.65-74,453.39

Finding the Fourth Proportional to 204,303.09, 306,388.65 and 74,453.39

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Solution

The fourth proportional to 204,303.09, 306,388.65 and 74,453.39 is: 111,656.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,303.09 : 306,388.65 = 74,453.39 : x
  2. Step 2: Convert to fraction form
    204,303.09/306,388.65 = 74,453.39/x
  3. Step 3: Cross multiply
    204,303.09x = 306,388.65 × 74,453.39
  4. Step 4: Simplify right side
    204,303.09x = 22,811,672,118.08
  5. Step 5: Solve for x
    x = 22,811,672,118.08/204,303.09
  6. Step 6: Final answer
    x = 111,656.03

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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.