Home / 357,823.44-493,801.92-196,685.28

Finding the Fourth Proportional to 357,823.44, 493,801.92 and 196,685.28

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Solution

The fourth proportional to 357,823.44, 493,801.92 and 196,685.28 is: 271,428.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,823.44 : 493,801.92 = 196,685.28 : x
  2. Step 2: Convert to fraction form
    357,823.44/493,801.92 = 196,685.28/x
  3. Step 3: Cross multiply
    357,823.44x = 493,801.92 × 196,685.28
  4. Step 4: Simplify right side
    357,823.44x = 97,123,568,899.74
  5. Step 5: Solve for x
    x = 97,123,568,899.74/357,823.44
  6. Step 6: Final answer
    x = 271,428.75

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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.