Home / 194,485.26-291,561.49-74,628.22

Finding the Fourth Proportional to 194,485.26, 291,561.49 and 74,628.22

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Solution

The fourth proportional to 194,485.26, 291,561.49 and 74,628.22 is: 111,878.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,485.26 : 291,561.49 = 74,628.22 : x
  2. Step 2: Convert to fraction form
    194,485.26/291,561.49 = 74,628.22/x
  3. Step 3: Cross multiply
    194,485.26x = 291,561.49 × 74,628.22
  4. Step 4: Simplify right side
    194,485.26x = 21,758,714,930.31
  5. Step 5: Solve for x
    x = 21,758,714,930.31/194,485.26
  6. Step 6: Final answer
    x = 111,878.48

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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.