Home / 296,865.19-445,409.87-178,619.57

Finding the Fourth Proportional to 296,865.19, 445,409.87 and 178,619.57

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Solution

The fourth proportional to 296,865.19, 445,409.87 and 178,619.57 is: 267,996.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,865.19 : 445,409.87 = 178,619.57 : x
  2. Step 2: Convert to fraction form
    296,865.19/445,409.87 = 178,619.57/x
  3. Step 3: Cross multiply
    296,865.19x = 445,409.87 × 178,619.57
  4. Step 4: Simplify right side
    296,865.19x = 79,558,919,453.16
  5. Step 5: Solve for x
    x = 79,558,919,453.16/296,865.19
  6. Step 6: Final answer
    x = 267,996.79

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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.