Home / 197,639.44-296,487.60-64,486.72

Finding the Fourth Proportional to 197,639.44, 296,487.60 and 64,486.72

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Solution

The fourth proportional to 197,639.44, 296,487.60 and 64,486.72 is: 96,739.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,639.44 : 296,487.60 = 64,486.72 : x
  2. Step 2: Convert to fraction form
    197,639.44/296,487.60 = 64,486.72/x
  3. Step 3: Cross multiply
    197,639.44x = 296,487.60 × 64,486.72
  4. Step 4: Simplify right side
    197,639.44x = 19,119,512,844.67
  5. Step 5: Solve for x
    x = 19,119,512,844.67/197,639.44
  6. Step 6: Final answer
    x = 96,739.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.