Home / 357,688.37-493,609.82-196,553.81

Finding the Fourth Proportional to 357,688.37, 493,609.82 and 196,553.81

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Solution

The fourth proportional to 357,688.37, 493,609.82 and 196,553.81 is: 271,244.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,688.37 : 493,609.82 = 196,553.81 : x
  2. Step 2: Convert to fraction form
    357,688.37/493,609.82 = 196,553.81/x
  3. Step 3: Cross multiply
    357,688.37x = 493,609.82 × 196,553.81
  4. Step 4: Simplify right side
    357,688.37x = 97,020,891,025.67
  5. Step 5: Solve for x
    x = 97,020,891,025.67/357,688.37
  6. Step 6: Final answer
    x = 271,244.18

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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.