Home / 353,629.76-488,050.57-198,606.47

Finding the Fourth Proportional to 353,629.76, 488,050.57 and 198,606.47

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Solution

The fourth proportional to 353,629.76, 488,050.57 and 198,606.47 is: 274,100.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,629.76 : 488,050.57 = 198,606.47 : x
  2. Step 2: Convert to fraction form
    353,629.76/488,050.57 = 198,606.47/x
  3. Step 3: Cross multiply
    353,629.76x = 488,050.57 × 198,606.47
  4. Step 4: Simplify right side
    353,629.76x = 96,930,000,889.19
  5. Step 5: Solve for x
    x = 96,930,000,889.19/353,629.76
  6. Step 6: Final answer
    x = 274,100.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.