Home / 193,361.14-266,837.25-108,478

Finding the Fourth Proportional to 193,361.14, 266,837.25 and 108,478

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Solution

The fourth proportional to 193,361.14, 266,837.25 and 108,478 is: 149,699.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,361.14 : 266,837.25 = 108,478 : x
  2. Step 2: Convert to fraction form
    193,361.14/266,837.25 = 108,478/x
  3. Step 3: Cross multiply
    193,361.14x = 266,837.25 × 108,478
  4. Step 4: Simplify right side
    193,361.14x = 28,945,971,205.50
  5. Step 5: Solve for x
    x = 28,945,971,205.50/193,361.14
  6. Step 6: Final answer
    x = 149,699.01

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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.