Home / 320,907.18-481,415.42-161,059.34

Finding the Fourth Proportional to 320,907.18, 481,415.42 and 161,059.34

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Solution

The fourth proportional to 320,907.18, 481,415.42 and 161,059.34 is: 241,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,907.18 : 481,415.42 = 161,059.34 : x
  2. Step 2: Convert to fraction form
    320,907.18/481,415.42 = 161,059.34/x
  3. Step 3: Cross multiply
    320,907.18x = 481,415.42 × 161,059.34
  4. Step 4: Simplify right side
    320,907.18x = 77,536,449,811.02
  5. Step 5: Solve for x
    x = 77,536,449,811.02/320,907.18
  6. Step 6: Final answer
    x = 241,616.44

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1.5x scale

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.