Home / 166,577.21-249,755.09-91,732.60

Finding the Fourth Proportional to 166,577.21, 249,755.09 and 91,732.60

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Solution

The fourth proportional to 166,577.21, 249,755.09 and 91,732.60 is: 137,537.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,577.21 : 249,755.09 = 91,732.60 : x
  2. Step 2: Convert to fraction form
    166,577.21/249,755.09 = 91,732.60/x
  3. Step 3: Cross multiply
    166,577.21x = 249,755.09 × 91,732.60
  4. Step 4: Simplify right side
    166,577.21x = 22,910,683,310.27
  5. Step 5: Solve for x
    x = 22,910,683,310.27/166,577.21
  6. Step 6: Final answer
    x = 137,537.92

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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.