Home / 209,828.25-289,563.12-114,334.92

Finding the Fourth Proportional to 209,828.25, 289,563.12 and 114,334.92

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Solution

The fourth proportional to 209,828.25, 289,563.12 and 114,334.92 is: 157,782.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,828.25 : 289,563.12 = 114,334.92 : x
  2. Step 2: Convert to fraction form
    209,828.25/289,563.12 = 114,334.92/x
  3. Step 3: Cross multiply
    209,828.25x = 289,563.12 × 114,334.92
  4. Step 4: Simplify right side
    209,828.25x = 33,107,176,160.15
  5. Step 5: Solve for x
    x = 33,107,176,160.15/209,828.25
  6. Step 6: Final answer
    x = 157,782.26

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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.