Home / 355,899.48-533,739.36-103,198.59

Finding the Fourth Proportional to 355,899.48, 533,739.36 and 103,198.59

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Solution

The fourth proportional to 355,899.48, 533,739.36 and 103,198.59 is: 154,766.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,899.48 : 533,739.36 = 103,198.59 : x
  2. Step 2: Convert to fraction form
    355,899.48/533,739.36 = 103,198.59/x
  3. Step 3: Cross multiply
    355,899.48x = 533,739.36 × 103,198.59
  4. Step 4: Simplify right side
    355,899.48x = 55,081,149,379.50
  5. Step 5: Solve for x
    x = 55,081,149,379.50/355,899.48
  6. Step 6: Final answer
    x = 154,766.03

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1.5x scale

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.