Home / 142,760.07-197,012.25-82,333.26

Finding the Fourth Proportional to 142,760.07, 197,012.25 and 82,333.26

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Solution

The fourth proportional to 142,760.07, 197,012.25 and 82,333.26 is: 113,621.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,760.07 : 197,012.25 = 82,333.26 : x
  2. Step 2: Convert to fraction form
    142,760.07/197,012.25 = 82,333.26/x
  3. Step 3: Cross multiply
    142,760.07x = 197,012.25 × 82,333.26
  4. Step 4: Simplify right side
    142,760.07x = 16,220,660,802.44
  5. Step 5: Solve for x
    x = 16,220,660,802.44/142,760.07
  6. Step 6: Final answer
    x = 113,621.83

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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.