Home / 319,541.94-479,313.07-109,181.94

Finding the Fourth Proportional to 319,541.94, 479,313.07 and 109,181.94

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Solution

The fourth proportional to 319,541.94, 479,313.07 and 109,181.94 is: 163,772.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,541.94 : 479,313.07 = 109,181.94 : x
  2. Step 2: Convert to fraction form
    319,541.94/479,313.07 = 109,181.94/x
  3. Step 3: Cross multiply
    319,541.94x = 479,313.07 × 109,181.94
  4. Step 4: Simplify right side
    319,541.94x = 52,332,330,849.96
  5. Step 5: Solve for x
    x = 52,332,330,849.96/319,541.94
  6. Step 6: Final answer
    x = 163,772.96

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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.