Home / 197,519.47-296,316.05-79,200.07

Finding the Fourth Proportional to 197,519.47, 296,316.05 and 79,200.07

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Solution

The fourth proportional to 197,519.47, 296,316.05 and 79,200.07 is: 118,814.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,519.47 : 296,316.05 = 79,200.07 : x
  2. Step 2: Convert to fraction form
    197,519.47/296,316.05 = 79,200.07/x
  3. Step 3: Cross multiply
    197,519.47x = 296,316.05 × 79,200.07
  4. Step 4: Simplify right side
    197,519.47x = 23,468,251,902.12
  5. Step 5: Solve for x
    x = 23,468,251,902.12/197,519.47
  6. Step 6: Final answer
    x = 118,814.88

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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.