Home / 203,555.03-305,809.64-192,052.13

Finding the Fourth Proportional to 203,555.03, 305,809.64 and 192,052.13

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Solution

The fourth proportional to 203,555.03, 305,809.64 and 192,052.13 is: 288,528.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,555.03 : 305,809.64 = 192,052.13 : x
  2. Step 2: Convert to fraction form
    203,555.03/305,809.64 = 192,052.13/x
  3. Step 3: Cross multiply
    203,555.03x = 305,809.64 × 192,052.13
  4. Step 4: Simplify right side
    203,555.03x = 58,731,390,247.22
  5. Step 5: Solve for x
    x = 58,731,390,247.22/203,555.03
  6. Step 6: Final answer
    x = 288,528.32

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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.