Home / 665,428.04-997,845.60-192,000.92

Finding the Fourth Proportional to 665,428.04, 997,845.60 and 192,000.92

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Solution

The fourth proportional to 665,428.04, 997,845.60 and 192,000.92 is: 287,915.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,428.04 : 997,845.60 = 192,000.92 : x
  2. Step 2: Convert to fraction form
    665,428.04/997,845.60 = 192,000.92/x
  3. Step 3: Cross multiply
    665,428.04x = 997,845.60 × 192,000.92
  4. Step 4: Simplify right side
    665,428.04x = 191,587,273,217.95
  5. Step 5: Solve for x
    x = 191,587,273,217.95/665,428.04
  6. Step 6: Final answer
    x = 287,915.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.