Home / 209,436.63-289,023.83-113,944.01

Finding the Fourth Proportional to 209,436.63, 289,023.83 and 113,944.01

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Solution

The fourth proportional to 209,436.63, 289,023.83 and 113,944.01 is: 157,243.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,436.63 : 289,023.83 = 113,944.01 : x
  2. Step 2: Convert to fraction form
    209,436.63/289,023.83 = 113,944.01/x
  3. Step 3: Cross multiply
    209,436.63x = 289,023.83 × 113,944.01
  4. Step 4: Simplify right side
    209,436.63x = 32,932,534,175.76
  5. Step 5: Solve for x
    x = 32,932,534,175.76/209,436.63
  6. Step 6: Final answer
    x = 157,243.43

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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.