Home / 665,241.64-997,861.38-191,929.48

Finding the Fourth Proportional to 665,241.64, 997,861.38 and 191,929.48

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Solution

The fourth proportional to 665,241.64, 997,861.38 and 191,929.48 is: 287,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,241.64 : 997,861.38 = 191,929.48 : x
  2. Step 2: Convert to fraction form
    665,241.64/997,861.38 = 191,929.48/x
  3. Step 3: Cross multiply
    665,241.64x = 997,861.38 × 191,929.48
  4. Step 4: Simplify right side
    665,241.64x = 191,519,015,775.48
  5. Step 5: Solve for x
    x = 191,519,015,775.48/665,241.64
  6. Step 6: Final answer
    x = 287,893.91

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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.