Home / 198,017.86-273,247.77-113,118.34

Finding the Fourth Proportional to 198,017.86, 273,247.77 and 113,118.34

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Solution

The fourth proportional to 198,017.86, 273,247.77 and 113,118.34 is: 156,093.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,017.86 : 273,247.77 = 113,118.34 : x
  2. Step 2: Convert to fraction form
    198,017.86/273,247.77 = 113,118.34/x
  3. Step 3: Cross multiply
    198,017.86x = 273,247.77 × 113,118.34
  4. Step 4: Simplify right side
    198,017.86x = 30,909,334,151.10
  5. Step 5: Solve for x
    x = 30,909,334,151.10/198,017.86
  6. Step 6: Final answer
    x = 156,093.67

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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.