Home / 120,414.87-166,193.10-69,418.35

Finding the Fourth Proportional to 120,414.87, 166,193.10 and 69,418.35

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Solution

The fourth proportional to 120,414.87, 166,193.10 and 69,418.35 is: 95,809.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,414.87 : 166,193.10 = 69,418.35 : x
  2. Step 2: Convert to fraction form
    120,414.87/166,193.10 = 69,418.35/x
  3. Step 3: Cross multiply
    120,414.87x = 166,193.10 × 69,418.35
  4. Step 4: Simplify right side
    120,414.87x = 11,536,850,783.39
  5. Step 5: Solve for x
    x = 11,536,850,783.39/120,414.87
  6. Step 6: Final answer
    x = 95,809.19

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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.