Home / 171,514.02-257,133.66-81,511.56

Finding the Fourth Proportional to 171,514.02, 257,133.66 and 81,511.56

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Solution

The fourth proportional to 171,514.02, 257,133.66 and 81,511.56 is: 122,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,514.02 : 257,133.66 = 81,511.56 : x
  2. Step 2: Convert to fraction form
    171,514.02/257,133.66 = 81,511.56/x
  3. Step 3: Cross multiply
    171,514.02x = 257,133.66 × 81,511.56
  4. Step 4: Simplify right side
    171,514.02x = 20,959,365,449.44
  5. Step 5: Solve for x
    x = 20,959,365,449.44/171,514.02
  6. Step 6: Final answer
    x = 122,202.05

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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.