Home / 320,899.17-481,422.58-107,695.38

Finding the Fourth Proportional to 320,899.17, 481,422.58 and 107,695.38

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Solution

The fourth proportional to 320,899.17, 481,422.58 and 107,695.38 is: 161,567.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,899.17 : 481,422.58 = 107,695.38 : x
  2. Step 2: Convert to fraction form
    320,899.17/481,422.58 = 107,695.38/x
  3. Step 3: Cross multiply
    320,899.17x = 481,422.58 × 107,695.38
  4. Step 4: Simplify right side
    320,899.17x = 51,846,987,390.34
  5. Step 5: Solve for x
    x = 51,846,987,390.34/320,899.17
  6. Step 6: Final answer
    x = 161,567.84

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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.