Home / 209,827.20-289,391.04-192,334.08

Finding the Fourth Proportional to 209,827.20, 289,391.04 and 192,334.08

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Solution

The fourth proportional to 209,827.20, 289,391.04 and 192,334.08 is: 265,264.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,827.20 : 289,391.04 = 192,334.08 : x
  2. Step 2: Convert to fraction form
    209,827.20/289,391.04 = 192,334.08/x
  3. Step 3: Cross multiply
    209,827.20x = 289,391.04 × 192,334.08
  4. Step 4: Simplify right side
    209,827.20x = 55,659,759,438.64
  5. Step 5: Solve for x
    x = 55,659,759,438.64/209,827.20
  6. Step 6: Final answer
    x = 265,264.75

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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.