Home / 320,915.18-481,216.83-160,922.42

Finding the Fourth Proportional to 320,915.18, 481,216.83 and 160,922.42

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Solution

The fourth proportional to 320,915.18, 481,216.83 and 160,922.42 is: 241,305.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,915.18 : 481,216.83 = 160,922.42 : x
  2. Step 2: Convert to fraction form
    320,915.18/481,216.83 = 160,922.42/x
  3. Step 3: Cross multiply
    320,915.18x = 481,216.83 × 160,922.42
  4. Step 4: Simplify right side
    320,915.18x = 77,438,576,828.33
  5. Step 5: Solve for x
    x = 77,438,576,828.33/320,915.18
  6. Step 6: Final answer
    x = 241,305.43

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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.