Home / 193,106.25-289,659.78-82,298.25

Finding the Fourth Proportional to 193,106.25, 289,659.78 and 82,298.25

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Solution

The fourth proportional to 193,106.25, 289,659.78 and 82,298.25 is: 123,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,106.25 : 289,659.78 = 82,298.25 : x
  2. Step 2: Convert to fraction form
    193,106.25/289,659.78 = 82,298.25/x
  3. Step 3: Cross multiply
    193,106.25x = 289,659.78 × 82,298.25
  4. Step 4: Simplify right side
    193,106.25x = 23,838,492,989.39
  5. Step 5: Solve for x
    x = 23,838,492,989.39/193,106.25
  6. Step 6: Final answer
    x = 123,447.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.