Home / 257,549.22-355,416.66-162,181.44

Finding the Fourth Proportional to 257,549.22, 355,416.66 and 162,181.44

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Solution

The fourth proportional to 257,549.22, 355,416.66 and 162,181.44 is: 223,809.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,549.22 : 355,416.66 = 162,181.44 : x
  2. Step 2: Convert to fraction form
    257,549.22/355,416.66 = 162,181.44/x
  3. Step 3: Cross multiply
    257,549.22x = 355,416.66 × 162,181.44
  4. Step 4: Simplify right side
    257,549.22x = 57,641,985,718.79
  5. Step 5: Solve for x
    x = 57,641,985,718.79/257,549.22
  6. Step 6: Final answer
    x = 223,809.59

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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.