Home / 194,429.80-291,644.70-166,436.20

Finding the Fourth Proportional to 194,429.80, 291,644.70 and 166,436.20

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Solution

The fourth proportional to 194,429.80, 291,644.70 and 166,436.20 is: 249,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,429.80 : 291,644.70 = 166,436.20 : x
  2. Step 2: Convert to fraction form
    194,429.80/291,644.70 = 166,436.20/x
  3. Step 3: Cross multiply
    194,429.80x = 291,644.70 × 166,436.20
  4. Step 4: Simplify right side
    194,429.80x = 48,540,235,618.14
  5. Step 5: Solve for x
    x = 48,540,235,618.14/194,429.80
  6. Step 6: Final answer
    x = 249,654.30

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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.