Home / 166,359.36-229,576.50-90,909.48

Finding the Fourth Proportional to 166,359.36, 229,576.50 and 90,909.48

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Solution

The fourth proportional to 166,359.36, 229,576.50 and 90,909.48 is: 125,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,359.36 : 229,576.50 = 90,909.48 : x
  2. Step 2: Convert to fraction form
    166,359.36/229,576.50 = 90,909.48/x
  3. Step 3: Cross multiply
    166,359.36x = 229,576.50 × 90,909.48
  4. Step 4: Simplify right side
    166,359.36x = 20,870,680,235.22
  5. Step 5: Solve for x
    x = 20,870,680,235.22/166,359.36
  6. Step 6: Final answer
    x = 125,455.40

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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.