Home / 166,201.47-249,301.80-61,020.54

Finding the Fourth Proportional to 166,201.47, 249,301.80 and 61,020.54

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Solution

The fourth proportional to 166,201.47, 249,301.80 and 61,020.54 is: 91,530.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,201.47 : 249,301.80 = 61,020.54 : x
  2. Step 2: Convert to fraction form
    166,201.47/249,301.80 = 61,020.54/x
  3. Step 3: Cross multiply
    166,201.47x = 249,301.80 × 61,020.54
  4. Step 4: Simplify right side
    166,201.47x = 15,212,530,458.97
  5. Step 5: Solve for x
    x = 15,212,530,458.97/166,201.47
  6. Step 6: Final answer
    x = 91,530.66

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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.