Home / 197,520.70-272,577.69-106,878.27

Finding the Fourth Proportional to 197,520.70, 272,577.69 and 106,878.27

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Solution

The fourth proportional to 197,520.70, 272,577.69 and 106,878.27 is: 147,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,520.70 : 272,577.69 = 106,878.27 : x
  2. Step 2: Convert to fraction form
    197,520.70/272,577.69 = 106,878.27/x
  3. Step 3: Cross multiply
    197,520.70x = 272,577.69 × 106,878.27
  4. Step 4: Simplify right side
    197,520.70x = 29,132,633,037.54
  5. Step 5: Solve for x
    x = 29,132,633,037.54/197,520.70
  6. Step 6: Final answer
    x = 147,491.54

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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.