Home / 166,561.67-249,868.35-54,215.48

Finding the Fourth Proportional to 166,561.67, 249,868.35 and 54,215.48

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Solution

The fourth proportional to 166,561.67, 249,868.35 and 54,215.48 is: 81,331.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,561.67 : 249,868.35 = 54,215.48 : x
  2. Step 2: Convert to fraction form
    166,561.67/249,868.35 = 54,215.48/x
  3. Step 3: Cross multiply
    166,561.67x = 249,868.35 × 54,215.48
  4. Step 4: Simplify right side
    166,561.67x = 13,546,733,156.73
  5. Step 5: Solve for x
    x = 13,546,733,156.73/166,561.67
  6. Step 6: Final answer
    x = 81,331.64

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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.