Home / 166,833.26-230,334.48-128,520.68

Finding the Fourth Proportional to 166,833.26, 230,334.48 and 128,520.68

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Solution

The fourth proportional to 166,833.26, 230,334.48 and 128,520.68 is: 177,439.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,833.26 : 230,334.48 = 128,520.68 : x
  2. Step 2: Convert to fraction form
    166,833.26/230,334.48 = 128,520.68/x
  3. Step 3: Cross multiply
    166,833.26x = 230,334.48 × 128,520.68
  4. Step 4: Simplify right side
    166,833.26x = 29,602,743,997.05
  5. Step 5: Solve for x
    x = 29,602,743,997.05/166,833.26
  6. Step 6: Final answer
    x = 177,439.10

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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.