Home / 209,861.39-289,600.29-114,366.03

Finding the Fourth Proportional to 209,861.39, 289,600.29 and 114,366.03

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Solution

The fourth proportional to 209,861.39, 289,600.29 and 114,366.03 is: 157,820.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,861.39 : 289,600.29 = 114,366.03 : x
  2. Step 2: Convert to fraction form
    209,861.39/289,600.29 = 114,366.03/x
  3. Step 3: Cross multiply
    209,861.39x = 289,600.29 × 114,366.03
  4. Step 4: Simplify right side
    209,861.39x = 33,120,435,454.15
  5. Step 5: Solve for x
    x = 33,120,435,454.15/209,861.39
  6. Step 6: Final answer
    x = 157,820.53

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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.