Home / 143,357.03-197,857.14-82,964.44

Finding the Fourth Proportional to 143,357.03, 197,857.14 and 82,964.44

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Solution

The fourth proportional to 143,357.03, 197,857.14 and 82,964.44 is: 114,505.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,357.03 : 197,857.14 = 82,964.44 : x
  2. Step 2: Convert to fraction form
    143,357.03/197,857.14 = 82,964.44/x
  3. Step 3: Cross multiply
    143,357.03x = 197,857.14 × 82,964.44
  4. Step 4: Simplify right side
    143,357.03x = 16,415,106,820.10
  5. Step 5: Solve for x
    x = 16,415,106,820.10/143,357.03
  6. Step 6: Final answer
    x = 114,505.07

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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.