Home / 105,946.82-146,170.94-60,000.20

Finding the Fourth Proportional to 105,946.82, 146,170.94 and 60,000.20

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Solution

The fourth proportional to 105,946.82, 146,170.94 and 60,000.20 is: 82,780.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,946.82 : 146,170.94 = 60,000.20 : x
  2. Step 2: Convert to fraction form
    105,946.82/146,170.94 = 60,000.20/x
  3. Step 3: Cross multiply
    105,946.82x = 146,170.94 × 60,000.20
  4. Step 4: Simplify right side
    105,946.82x = 8,770,285,634.19
  5. Step 5: Solve for x
    x = 8,770,285,634.19/105,946.82
  6. Step 6: Final answer
    x = 82,780.07

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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.