Home / 166,469.36-249,728.91-61,280.33

Finding the Fourth Proportional to 166,469.36, 249,728.91 and 61,280.33

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Solution

The fourth proportional to 166,469.36, 249,728.91 and 61,280.33 is: 91,929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,469.36 : 249,728.91 = 61,280.33 : x
  2. Step 2: Convert to fraction form
    166,469.36/249,728.91 = 61,280.33/x
  3. Step 3: Cross multiply
    166,469.36x = 249,728.91 × 61,280.33
  4. Step 4: Simplify right side
    166,469.36x = 15,303,469,708.94
  5. Step 5: Solve for x
    x = 15,303,469,708.94/166,469.36
  6. Step 6: Final answer
    x = 91,929.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.