Home / 197,740.68-272,880.77-107,094.57

Finding the Fourth Proportional to 197,740.68, 272,880.77 and 107,094.57

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Solution

The fourth proportional to 197,740.68, 272,880.77 and 107,094.57 is: 147,789.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,740.68 : 272,880.77 = 107,094.57 : x
  2. Step 2: Convert to fraction form
    197,740.68/272,880.77 = 107,094.57/x
  3. Step 3: Cross multiply
    197,740.68x = 272,880.77 × 107,094.57
  4. Step 4: Simplify right side
    197,740.68x = 29,224,048,188.95
  5. Step 5: Solve for x
    x = 29,224,048,188.95/197,740.68
  6. Step 6: Final answer
    x = 147,789.76

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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.