Home / 248,305.03-342,668.72-140,879.59

Finding the Fourth Proportional to 248,305.03, 342,668.72 and 140,879.59

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Solution

The fourth proportional to 248,305.03, 342,668.72 and 140,879.59 is: 194,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,305.03 : 342,668.72 = 140,879.59 : x
  2. Step 2: Convert to fraction form
    248,305.03/342,668.72 = 140,879.59/x
  3. Step 3: Cross multiply
    248,305.03x = 342,668.72 × 140,879.59
  4. Step 4: Simplify right side
    248,305.03x = 48,275,028,779.42
  5. Step 5: Solve for x
    x = 48,275,028,779.42/248,305.03
  6. Step 6: Final answer
    x = 194,418.25

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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.