Home / 257,322.22-355,063.30-161,761.26

Finding the Fourth Proportional to 257,322.22, 355,063.30 and 161,761.26

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Solution

The fourth proportional to 257,322.22, 355,063.30 and 161,761.26 is: 223,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,322.22 : 355,063.30 = 161,761.26 : x
  2. Step 2: Convert to fraction form
    257,322.22/355,063.30 = 161,761.26/x
  3. Step 3: Cross multiply
    257,322.22x = 355,063.30 × 161,761.26
  4. Step 4: Simplify right side
    257,322.22x = 57,435,486,787.76
  5. Step 5: Solve for x
    x = 57,435,486,787.76/257,322.22
  6. Step 6: Final answer
    x = 223,204.54

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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.