Home / 257,757.04-354,896.40-234,137.44

Finding the Fourth Proportional to 257,757.04, 354,896.40 and 234,137.44

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Solution

The fourth proportional to 257,757.04, 354,896.40 and 234,137.44 is: 322,375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,757.04 : 354,896.40 = 234,137.44 : x
  2. Step 2: Convert to fraction form
    257,757.04/354,896.40 = 234,137.44/x
  3. Step 3: Cross multiply
    257,757.04x = 354,896.40 × 234,137.44
  4. Step 4: Simplify right side
    257,757.04x = 83,094,534,561.22
  5. Step 5: Solve for x
    x = 83,094,534,561.22/257,757.04
  6. Step 6: Final answer
    x = 322,375.42

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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.