Home / 209,964.22-289,755.14-114,471.56

Finding the Fourth Proportional to 209,964.22, 289,755.14 and 114,471.56

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Solution

The fourth proportional to 209,964.22, 289,755.14 and 114,471.56 is: 157,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,964.22 : 289,755.14 = 114,471.56 : x
  2. Step 2: Convert to fraction form
    209,964.22/289,755.14 = 114,471.56/x
  3. Step 3: Cross multiply
    209,964.22x = 289,755.14 × 114,471.56
  4. Step 4: Simplify right side
    209,964.22x = 33,168,722,893.82
  5. Step 5: Solve for x
    x = 33,168,722,893.82/209,964.22
  6. Step 6: Final answer
    x = 157,973.22

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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.