Home / 320,901.17-481,425.58-107,697.38

Finding the Fourth Proportional to 320,901.17, 481,425.58 and 107,697.38

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Solution

The fourth proportional to 320,901.17, 481,425.58 and 107,697.38 is: 161,570.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,901.17 : 481,425.58 = 107,697.38 : x
  2. Step 2: Convert to fraction form
    320,901.17/481,425.58 = 107,697.38/x
  3. Step 3: Cross multiply
    320,901.17x = 481,425.58 × 107,697.38
  4. Step 4: Simplify right side
    320,901.17x = 51,848,273,630.98
  5. Step 5: Solve for x
    x = 51,848,273,630.98/320,901.17
  6. Step 6: Final answer
    x = 161,570.85

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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.