Home / 161,491.86-222,627.78-113,596.56

Finding the Fourth Proportional to 161,491.86, 222,627.78 and 113,596.56

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Solution

The fourth proportional to 161,491.86, 222,627.78 and 113,596.56 is: 156,600.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,491.86 : 222,627.78 = 113,596.56 : x
  2. Step 2: Convert to fraction form
    161,491.86/222,627.78 = 113,596.56/x
  3. Step 3: Cross multiply
    161,491.86x = 222,627.78 × 113,596.56
  4. Step 4: Simplify right side
    161,491.86x = 25,289,749,968.44
  5. Step 5: Solve for x
    x = 25,289,749,968.44/161,491.86
  6. Step 6: Final answer
    x = 156,600.77

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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.