Home / 166,725.79-230,018.78-109,396.76

Finding the Fourth Proportional to 166,725.79, 230,018.78 and 109,396.76

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Solution

The fourth proportional to 166,725.79, 230,018.78 and 109,396.76 is: 150,926.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,725.79 : 230,018.78 = 109,396.76 : x
  2. Step 2: Convert to fraction form
    166,725.79/230,018.78 = 109,396.76/x
  3. Step 3: Cross multiply
    166,725.79x = 230,018.78 × 109,396.76
  4. Step 4: Simplify right side
    166,725.79x = 25,163,308,394.55
  5. Step 5: Solve for x
    x = 25,163,308,394.55/166,725.79
  6. Step 6: Final answer
    x = 150,926.31

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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.