Home / 326,027-449,918.48-190,154.76

Finding the Fourth Proportional to 326,027, 449,918.48 and 190,154.76

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Solution

The fourth proportional to 326,027, 449,918.48 and 190,154.76 is: 262,414.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,027 : 449,918.48 = 190,154.76 : x
  2. Step 2: Convert to fraction form
    326,027/449,918.48 = 190,154.76/x
  3. Step 3: Cross multiply
    326,027x = 449,918.48 × 190,154.76
  4. Step 4: Simplify right side
    326,027x = 85,554,140,583.96
  5. Step 5: Solve for x
    x = 85,554,140,583.96/326,027
  6. Step 6: Final answer
    x = 262,414.28

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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.