Home / 245,110.98-338,200.68-143,090.14

Finding the Fourth Proportional to 245,110.98, 338,200.68 and 143,090.14

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Solution

The fourth proportional to 245,110.98, 338,200.68 and 143,090.14 is: 197,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,110.98 : 338,200.68 = 143,090.14 : x
  2. Step 2: Convert to fraction form
    245,110.98/338,200.68 = 143,090.14/x
  3. Step 3: Cross multiply
    245,110.98x = 338,200.68 × 143,090.14
  4. Step 4: Simplify right side
    245,110.98x = 48,393,182,649.30
  5. Step 5: Solve for x
    x = 48,393,182,649.30/245,110.98
  6. Step 6: Final answer
    x = 197,433.76

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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.