Home / 357,930.33-493,939.38-196,783.95

Finding the Fourth Proportional to 357,930.33, 493,939.38 and 196,783.95

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Solution

The fourth proportional to 357,930.33, 493,939.38 and 196,783.95 is: 271,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,930.33 : 493,939.38 = 196,783.95 : x
  2. Step 2: Convert to fraction form
    357,930.33/493,939.38 = 196,783.95/x
  3. Step 3: Cross multiply
    357,930.33x = 493,939.38 × 196,783.95
  4. Step 4: Simplify right side
    357,930.33x = 97,199,342,256.95
  5. Step 5: Solve for x
    x = 97,199,342,256.95/357,930.33
  6. Step 6: Final answer
    x = 271,559.39

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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.