Home / 245,265.22-338,467.26-143,296.48

Finding the Fourth Proportional to 245,265.22, 338,467.26 and 143,296.48

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Solution

The fourth proportional to 245,265.22, 338,467.26 and 143,296.48 is: 197,749.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,265.22 : 338,467.26 = 143,296.48 : x
  2. Step 2: Convert to fraction form
    245,265.22/338,467.26 = 143,296.48/x
  3. Step 3: Cross multiply
    245,265.22x = 338,467.26 × 143,296.48
  4. Step 4: Simplify right side
    245,265.22x = 48,501,166,953.24
  5. Step 5: Solve for x
    x = 48,501,166,953.24/245,265.22
  6. Step 6: Final answer
    x = 197,749.88

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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.