Home / 166,679.21-230,015.54-90,196.62

Finding the Fourth Proportional to 166,679.21, 230,015.54 and 90,196.62

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Solution

The fourth proportional to 166,679.21, 230,015.54 and 90,196.62 is: 124,470.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,679.21 : 230,015.54 = 90,196.62 : x
  2. Step 2: Convert to fraction form
    166,679.21/230,015.54 = 90,196.62/x
  3. Step 3: Cross multiply
    166,679.21x = 230,015.54 × 90,196.62
  4. Step 4: Simplify right side
    166,679.21x = 20,746,623,804.49
  5. Step 5: Solve for x
    x = 20,746,623,804.49/166,679.21
  6. Step 6: Final answer
    x = 124,470.38

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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.