Home / 166,336.10-249,451.80-53,990.37

Finding the Fourth Proportional to 166,336.10, 249,451.80 and 53,990.37

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Solution

The fourth proportional to 166,336.10, 249,451.80 and 53,990.37 is: 80,968.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,336.10 : 249,451.80 = 53,990.37 : x
  2. Step 2: Convert to fraction form
    166,336.10/249,451.80 = 53,990.37/x
  3. Step 3: Cross multiply
    166,336.10x = 249,451.80 × 53,990.37
  4. Step 4: Simplify right side
    166,336.10x = 13,467,994,979.17
  5. Step 5: Solve for x
    x = 13,467,994,979.17/166,336.10
  6. Step 6: Final answer
    x = 80,968.56

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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.