Home / 166,725.36-230,086.80-91,274.40

Finding the Fourth Proportional to 166,725.36, 230,086.80 and 91,274.40

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Solution

The fourth proportional to 166,725.36, 230,086.80 and 91,274.40 is: 125,961.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,725.36 : 230,086.80 = 91,274.40 : x
  2. Step 2: Convert to fraction form
    166,725.36/230,086.80 = 91,274.40/x
  3. Step 3: Cross multiply
    166,725.36x = 230,086.80 × 91,274.40
  4. Step 4: Simplify right side
    166,725.36x = 21,001,034,617.92
  5. Step 5: Solve for x
    x = 21,001,034,617.92/166,725.36
  6. Step 6: Final answer
    x = 125,961.85

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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.