Home / 197,663.20-272,771.94-107,018.44

Finding the Fourth Proportional to 197,663.20, 272,771.94 and 107,018.44

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Solution

The fourth proportional to 197,663.20, 272,771.94 and 107,018.44 is: 147,683.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,663.20 : 272,771.94 = 107,018.44 : x
  2. Step 2: Convert to fraction form
    197,663.20/272,771.94 = 107,018.44/x
  3. Step 3: Cross multiply
    197,663.20x = 272,771.94 × 107,018.44
  4. Step 4: Simplify right side
    197,663.20x = 29,191,627,494.57
  5. Step 5: Solve for x
    x = 29,191,627,494.57/197,663.20
  6. Step 6: Final answer
    x = 147,683.67

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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.