Home / 209,966.22-289,757.90-114,473.56

Finding the Fourth Proportional to 209,966.22, 289,757.90 and 114,473.56

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Solution

The fourth proportional to 209,966.22, 289,757.90 and 114,473.56 is: 157,975.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,966.22 : 289,757.90 = 114,473.56 : x
  2. Step 2: Convert to fraction form
    209,966.22/289,757.90 = 114,473.56/x
  3. Step 3: Cross multiply
    209,966.22x = 289,757.90 × 114,473.56
  4. Step 4: Simplify right side
    209,966.22x = 33,169,618,351.12
  5. Step 5: Solve for x
    x = 33,169,618,351.12/209,966.22
  6. Step 6: Final answer
    x = 157,975.98

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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.