Home / 166,531.20-249,740.32-54,183.64

Finding the Fourth Proportional to 166,531.20, 249,740.32 and 54,183.64

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Solution

The fourth proportional to 166,531.20, 249,740.32 and 54,183.64 is: 81,257.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,531.20 : 249,740.32 = 54,183.64 : x
  2. Step 2: Convert to fraction form
    166,531.20/249,740.32 = 54,183.64/x
  3. Step 3: Cross multiply
    166,531.20x = 249,740.32 × 54,183.64
  4. Step 4: Simplify right side
    166,531.20x = 13,531,839,592.36
  5. Step 5: Solve for x
    x = 13,531,839,592.36/166,531.20
  6. Step 6: Final answer
    x = 81,257.08

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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.