Home / 345,882.38-477,317.68-194,979.38

Finding the Fourth Proportional to 345,882.38, 477,317.68 and 194,979.38

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Solution

The fourth proportional to 345,882.38, 477,317.68 and 194,979.38 is: 269,071.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,882.38 : 477,317.68 = 194,979.38 : x
  2. Step 2: Convert to fraction form
    345,882.38/477,317.68 = 194,979.38/x
  3. Step 3: Cross multiply
    345,882.38x = 477,317.68 × 194,979.38
  4. Step 4: Simplify right side
    345,882.38x = 93,067,102,435.40
  5. Step 5: Solve for x
    x = 93,067,102,435.40/345,882.38
  6. Step 6: Final answer
    x = 269,071.54

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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.