Home / 180,712.21-271,033.26-68,401.19

Finding the Fourth Proportional to 180,712.21, 271,033.26 and 68,401.19

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Solution

The fourth proportional to 180,712.21, 271,033.26 and 68,401.19 is: 102,588.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,712.21 : 271,033.26 = 68,401.19 : x
  2. Step 2: Convert to fraction form
    180,712.21/271,033.26 = 68,401.19/x
  3. Step 3: Cross multiply
    180,712.21x = 271,033.26 × 68,401.19
  4. Step 4: Simplify right side
    180,712.21x = 18,538,997,513.58
  5. Step 5: Solve for x
    x = 18,538,997,513.58/180,712.21
  6. Step 6: Final answer
    x = 102,588.52

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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.