Home / 166,677.25-230,015.21-90,196.34

Finding the Fourth Proportional to 166,677.25, 230,015.21 and 90,196.34

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Solution

The fourth proportional to 166,677.25, 230,015.21 and 90,196.34 is: 124,471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,677.25 : 230,015.21 = 90,196.34 : x
  2. Step 2: Convert to fraction form
    166,677.25/230,015.21 = 90,196.34/x
  3. Step 3: Cross multiply
    166,677.25x = 230,015.21 × 90,196.34
  4. Step 4: Simplify right side
    166,677.25x = 20,746,530,024.30
  5. Step 5: Solve for x
    x = 20,746,530,024.30/166,677.25
  6. Step 6: Final answer
    x = 124,471.28

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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.