Home / 194,751.36-291,899.40-172,608

Finding the Fourth Proportional to 194,751.36, 291,899.40 and 172,608

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Solution

The fourth proportional to 194,751.36, 291,899.40 and 172,608 is: 258,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,751.36 : 291,899.40 = 172,608 : x
  2. Step 2: Convert to fraction form
    194,751.36/291,899.40 = 172,608/x
  3. Step 3: Cross multiply
    194,751.36x = 291,899.40 × 172,608
  4. Step 4: Simplify right side
    194,751.36x = 50,384,171,635.20
  5. Step 5: Solve for x
    x = 50,384,171,635.20/194,751.36
  6. Step 6: Final answer
    x = 258,710.24

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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.