Home / 143,280.44-197,752.20-82,841.48

Finding the Fourth Proportional to 143,280.44, 197,752.20 and 82,841.48

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Solution

The fourth proportional to 143,280.44, 197,752.20 and 82,841.48 is: 114,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,280.44 : 197,752.20 = 82,841.48 : x
  2. Step 2: Convert to fraction form
    143,280.44/197,752.20 = 82,841.48/x
  3. Step 3: Cross multiply
    143,280.44x = 197,752.20 × 82,841.48
  4. Step 4: Simplify right side
    143,280.44x = 16,382,084,921.26
  5. Step 5: Solve for x
    x = 16,382,084,921.26/143,280.44
  6. Step 6: Final answer
    x = 114,335.81

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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.