Home / 166,276.12-229,461.26-90,824.64

Finding the Fourth Proportional to 166,276.12, 229,461.26 and 90,824.64

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Solution

The fourth proportional to 166,276.12, 229,461.26 and 90,824.64 is: 125,338.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,276.12 : 229,461.26 = 90,824.64 : x
  2. Step 2: Convert to fraction form
    166,276.12/229,461.26 = 90,824.64/x
  3. Step 3: Cross multiply
    166,276.12x = 229,461.26 × 90,824.64
  4. Step 4: Simplify right side
    166,276.12x = 20,840,736,333.45
  5. Step 5: Solve for x
    x = 20,840,736,333.45/166,276.12
  6. Step 6: Final answer
    x = 125,338.12

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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.