Home / 408,052.13-612,077.40-108,533.03

Finding the Fourth Proportional to 408,052.13, 612,077.40 and 108,533.03

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Solution

The fourth proportional to 408,052.13, 612,077.40 and 108,533.03 is: 162,799.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,052.13 : 612,077.40 = 108,533.03 : x
  2. Step 2: Convert to fraction form
    408,052.13/612,077.40 = 108,533.03/x
  3. Step 3: Cross multiply
    408,052.13x = 612,077.40 × 108,533.03
  4. Step 4: Simplify right side
    408,052.13x = 66,430,611,756.14
  5. Step 5: Solve for x
    x = 66,430,611,756.14/408,052.13
  6. Step 6: Final answer
    x = 162,799.33

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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.