Home / 355,804.38-491,001.62-194,660.75

Finding the Fourth Proportional to 355,804.38, 491,001.62 and 194,660.75

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Solution

The fourth proportional to 355,804.38, 491,001.62 and 194,660.75 is: 268,627.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,804.38 : 491,001.62 = 194,660.75 : x
  2. Step 2: Convert to fraction form
    355,804.38/491,001.62 = 194,660.75/x
  3. Step 3: Cross multiply
    355,804.38x = 491,001.62 × 194,660.75
  4. Step 4: Simplify right side
    355,804.38x = 95,578,740,172.10
  5. Step 5: Solve for x
    x = 95,578,740,172.10/355,804.38
  6. Step 6: Final answer
    x = 268,627.22

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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.