Home / 194,917.94-268,986.68-105,493.94

Finding the Fourth Proportional to 194,917.94, 268,986.68 and 105,493.94

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Solution

The fourth proportional to 194,917.94, 268,986.68 and 105,493.94 is: 145,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,917.94 : 268,986.68 = 105,493.94 : x
  2. Step 2: Convert to fraction form
    194,917.94/268,986.68 = 105,493.94/x
  3. Step 3: Cross multiply
    194,917.94x = 268,986.68 × 105,493.94
  4. Step 4: Simplify right side
    194,917.94x = 28,376,464,680.72
  5. Step 5: Solve for x
    x = 28,376,464,680.72/194,917.94
  6. Step 6: Final answer
    x = 145,581.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.