Home / 170,994.11-256,495.52-81,015.73

Finding the Fourth Proportional to 170,994.11, 256,495.52 and 81,015.73

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Solution

The fourth proportional to 170,994.11, 256,495.52 and 81,015.73 is: 121,525.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,994.11 : 256,495.52 = 81,015.73 : x
  2. Step 2: Convert to fraction form
    170,994.11/256,495.52 = 81,015.73/x
  3. Step 3: Cross multiply
    170,994.11x = 256,495.52 × 81,015.73
  4. Step 4: Simplify right side
    170,994.11x = 20,780,171,794.53
  5. Step 5: Solve for x
    x = 20,780,171,794.53/170,994.11
  6. Step 6: Final answer
    x = 121,525.66

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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.