Home / 143,371.42-197,795.73-82,930.84

Finding the Fourth Proportional to 143,371.42, 197,795.73 and 82,930.84

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Solution

The fourth proportional to 143,371.42, 197,795.73 and 82,930.84 is: 114,411.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,371.42 : 197,795.73 = 82,930.84 : x
  2. Step 2: Convert to fraction form
    143,371.42/197,795.73 = 82,930.84/x
  3. Step 3: Cross multiply
    143,371.42x = 197,795.73 × 82,930.84
  4. Step 4: Simplify right side
    143,371.42x = 16,403,366,037.31
  5. Step 5: Solve for x
    x = 16,403,366,037.31/143,371.42
  6. Step 6: Final answer
    x = 114,411.69

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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.