Home / 357,931.52-493,948.87-196,787.69

Finding the Fourth Proportional to 357,931.52, 493,948.87 and 196,787.69

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Solution

The fourth proportional to 357,931.52, 493,948.87 and 196,787.69 is: 271,568.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,931.52 : 493,948.87 = 196,787.69 : x
  2. Step 2: Convert to fraction form
    357,931.52/493,948.87 = 196,787.69/x
  3. Step 3: Cross multiply
    357,931.52x = 493,948.87 × 196,787.69
  4. Step 4: Simplify right side
    357,931.52x = 97,203,054,143.70
  5. Step 5: Solve for x
    x = 97,203,054,143.70/357,931.52
  6. Step 6: Final answer
    x = 271,568.86

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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.