Home / 357,931.37-493,948.60-196,787.54

Finding the Fourth Proportional to 357,931.37, 493,948.60 and 196,787.54

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Solution

The fourth proportional to 357,931.37, 493,948.60 and 196,787.54 is: 271,568.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,931.37 : 493,948.60 = 196,787.54 : x
  2. Step 2: Convert to fraction form
    357,931.37/493,948.60 = 196,787.54/x
  3. Step 3: Cross multiply
    357,931.37x = 493,948.60 × 196,787.54
  4. Step 4: Simplify right side
    357,931.37x = 97,202,930,623.35
  5. Step 5: Solve for x
    x = 97,202,930,623.35/357,931.37
  6. Step 6: Final answer
    x = 271,568.62

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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.