Home / 197,796.20-296,924.70-118,999.40

Finding the Fourth Proportional to 197,796.20, 296,924.70 and 118,999.40

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Solution

The fourth proportional to 197,796.20, 296,924.70 and 118,999.40 is: 178,637.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,796.20 : 296,924.70 = 118,999.40 : x
  2. Step 2: Convert to fraction form
    197,796.20/296,924.70 = 118,999.40/x
  3. Step 3: Cross multiply
    197,796.20x = 296,924.70 × 118,999.40
  4. Step 4: Simplify right side
    197,796.20x = 35,333,861,145.18
  5. Step 5: Solve for x
    x = 35,333,861,145.18/197,796.20
  6. Step 6: Final answer
    x = 178,637.71

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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.