Home / 166,521.67-249,784.78-54,202.43

Finding the Fourth Proportional to 166,521.67, 249,784.78 and 54,202.43

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Solution

The fourth proportional to 166,521.67, 249,784.78 and 54,202.43 is: 81,304.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,521.67 : 249,784.78 = 54,202.43 : x
  2. Step 2: Convert to fraction form
    166,521.67/249,784.78 = 54,202.43/x
  3. Step 3: Cross multiply
    166,521.67x = 249,784.78 × 54,202.43
  4. Step 4: Simplify right side
    166,521.67x = 13,538,942,541.97
  5. Step 5: Solve for x
    x = 13,538,942,541.97/166,521.67
  6. Step 6: Final answer
    x = 81,304.39

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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.