Home / 252,923.23-379,654.93-108,900.40

Finding the Fourth Proportional to 252,923.23, 379,654.93 and 108,900.40

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Solution

The fourth proportional to 252,923.23, 379,654.93 and 108,900.40 is: 163,466.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,923.23 : 379,654.93 = 108,900.40 : x
  2. Step 2: Convert to fraction form
    252,923.23/379,654.93 = 108,900.40/x
  3. Step 3: Cross multiply
    252,923.23x = 379,654.93 × 108,900.40
  4. Step 4: Simplify right side
    252,923.23x = 41,344,571,840.70
  5. Step 5: Solve for x
    x = 41,344,571,840.70/252,923.23
  6. Step 6: Final answer
    x = 163,466.88

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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.