Home / 146,812.20-202,615.05-82,292.40

Finding the Fourth Proportional to 146,812.20, 202,615.05 and 82,292.40

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Solution

The fourth proportional to 146,812.20, 202,615.05 and 82,292.40 is: 113,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,812.20 : 202,615.05 = 82,292.40 : x
  2. Step 2: Convert to fraction form
    146,812.20/202,615.05 = 82,292.40/x
  3. Step 3: Cross multiply
    146,812.20x = 202,615.05 × 82,292.40
  4. Step 4: Simplify right side
    146,812.20x = 16,673,678,740.62
  5. Step 5: Solve for x
    x = 16,673,678,740.62/146,812.20
  6. Step 6: Final answer
    x = 113,571.48

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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.