Home / 194,937.75-269,014.91-105,513.75

Finding the Fourth Proportional to 194,937.75, 269,014.91 and 105,513.75

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Solution

The fourth proportional to 194,937.75, 269,014.91 and 105,513.75 is: 145,609.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,937.75 : 269,014.91 = 105,513.75 : x
  2. Step 2: Convert to fraction form
    194,937.75/269,014.91 = 105,513.75/x
  3. Step 3: Cross multiply
    194,937.75x = 269,014.91 × 105,513.75
  4. Step 4: Simplify right side
    194,937.75x = 28,384,771,432.44
  5. Step 5: Solve for x
    x = 28,384,771,432.44/194,937.75
  6. Step 6: Final answer
    x = 145,609.41

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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.