Home / 284,824.60-393,056.94-160,635.72

Finding the Fourth Proportional to 284,824.60, 393,056.94 and 160,635.72

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Solution

The fourth proportional to 284,824.60, 393,056.94 and 160,635.72 is: 221,676.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,824.60 : 393,056.94 = 160,635.72 : x
  2. Step 2: Convert to fraction form
    284,824.60/393,056.94 = 160,635.72/x
  3. Step 3: Cross multiply
    284,824.60x = 393,056.94 × 160,635.72
  4. Step 4: Simplify right side
    284,824.60x = 63,138,984,557.90
  5. Step 5: Solve for x
    x = 63,138,984,557.90/284,824.60
  6. Step 6: Final answer
    x = 221,676.73

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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.