Home / 207,933.80-311,382.30-166,461.80

Finding the Fourth Proportional to 207,933.80, 311,382.30 and 166,461.80

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Solution

The fourth proportional to 207,933.80, 311,382.30 and 166,461.80 is: 249,277.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,933.80 : 311,382.30 = 166,461.80 : x
  2. Step 2: Convert to fraction form
    207,933.80/311,382.30 = 166,461.80/x
  3. Step 3: Cross multiply
    207,933.80x = 311,382.30 × 166,461.80
  4. Step 4: Simplify right side
    207,933.80x = 51,833,258,146.14
  5. Step 5: Solve for x
    x = 51,833,258,146.14/207,933.80
  6. Step 6: Final answer
    x = 249,277.69

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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.