Home / 166,346.19-229,558.46-90,896.31

Finding the Fourth Proportional to 166,346.19, 229,558.46 and 90,896.31

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Solution

The fourth proportional to 166,346.19, 229,558.46 and 90,896.31 is: 125,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,346.19 : 229,558.46 = 90,896.31 : x
  2. Step 2: Convert to fraction form
    166,346.19/229,558.46 = 90,896.31/x
  3. Step 3: Cross multiply
    166,346.19x = 229,558.46 × 90,896.31
  4. Step 4: Simplify right side
    166,346.19x = 20,866,016,488.80
  5. Step 5: Solve for x
    x = 20,866,016,488.80/166,346.19
  6. Step 6: Final answer
    x = 125,437.30

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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.