Home / 357,845.13-493,820.75-196,696.73

Finding the Fourth Proportional to 357,845.13, 493,820.75 and 196,696.73

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Solution

The fourth proportional to 357,845.13, 493,820.75 and 196,696.73 is: 271,438.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,845.13 : 493,820.75 = 196,696.73 : x
  2. Step 2: Convert to fraction form
    357,845.13/493,820.75 = 196,696.73/x
  3. Step 3: Cross multiply
    357,845.13x = 493,820.75 × 196,696.73
  4. Step 4: Simplify right side
    357,845.13x = 97,132,928,457.44
  5. Step 5: Solve for x
    x = 97,132,928,457.44/357,845.13
  6. Step 6: Final answer
    x = 271,438.45

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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.