Home / 166,531.18-249,740.34-54,183.64

Finding the Fourth Proportional to 166,531.18, 249,740.34 and 54,183.64

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Solution

The fourth proportional to 166,531.18, 249,740.34 and 54,183.64 is: 81,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,531.18 : 249,740.34 = 54,183.64 : x
  2. Step 2: Convert to fraction form
    166,531.18/249,740.34 = 54,183.64/x
  3. Step 3: Cross multiply
    166,531.18x = 249,740.34 × 54,183.64
  4. Step 4: Simplify right side
    166,531.18x = 13,531,840,676.04
  5. Step 5: Solve for x
    x = 13,531,840,676.04/166,531.18
  6. Step 6: Final answer
    x = 81,257.10

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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.