Home / 209,861.28-289,600.14-114,365.96

Finding the Fourth Proportional to 209,861.28, 289,600.14 and 114,365.96

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Solution

The fourth proportional to 209,861.28, 289,600.14 and 114,365.96 is: 157,820.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,861.28 : 289,600.14 = 114,365.96 : x
  2. Step 2: Convert to fraction form
    209,861.28/289,600.14 = 114,365.96/x
  3. Step 3: Cross multiply
    209,861.28x = 289,600.14 × 114,365.96
  4. Step 4: Simplify right side
    209,861.28x = 33,120,398,027.23
  5. Step 5: Solve for x
    x = 33,120,398,027.23/209,861.28
  6. Step 6: Final answer
    x = 157,820.43

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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.