Home / 135,032.43-202,297.10-84,447.12

Finding the Fourth Proportional to 135,032.43, 202,297.10 and 84,447.12

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Solution

The fourth proportional to 135,032.43, 202,297.10 and 84,447.12 is: 126,513.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,032.43 : 202,297.10 = 84,447.12 : x
  2. Step 2: Convert to fraction form
    135,032.43/202,297.10 = 84,447.12/x
  3. Step 3: Cross multiply
    135,032.43x = 202,297.10 × 84,447.12
  4. Step 4: Simplify right side
    135,032.43x = 17,083,407,057.12
  5. Step 5: Solve for x
    x = 17,083,407,057.12/135,032.43
  6. Step 6: Final answer
    x = 126,513.36

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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.