Home / 209,560.04-289,217.49-117,694.42

Finding the Fourth Proportional to 209,560.04, 289,217.49 and 117,694.42

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Solution

The fourth proportional to 209,560.04, 289,217.49 and 117,694.42 is: 162,432.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,560.04 : 289,217.49 = 117,694.42 : x
  2. Step 2: Convert to fraction form
    209,560.04/289,217.49 = 117,694.42/x
  3. Step 3: Cross multiply
    209,560.04x = 289,217.49 × 117,694.42
  4. Step 4: Simplify right side
    209,560.04x = 34,039,284,739.41
  5. Step 5: Solve for x
    x = 34,039,284,739.41/209,560.04
  6. Step 6: Final answer
    x = 162,432.14

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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.