Home / 209,674.32-289,355.75-114,186.26

Finding the Fourth Proportional to 209,674.32, 289,355.75 and 114,186.26

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Solution

The fourth proportional to 209,674.32, 289,355.75 and 114,186.26 is: 157,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,674.32 : 289,355.75 = 114,186.26 : x
  2. Step 2: Convert to fraction form
    209,674.32/289,355.75 = 114,186.26/x
  3. Step 3: Cross multiply
    209,674.32x = 289,355.75 × 114,186.26
  4. Step 4: Simplify right side
    209,674.32x = 33,040,448,884.29
  5. Step 5: Solve for x
    x = 33,040,448,884.29/209,674.32
  6. Step 6: Final answer
    x = 157,579.85

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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.