Home / 248,622.60-372,933.90-90,830.55

Finding the Fourth Proportional to 248,622.60, 372,933.90 and 90,830.55

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Solution

The fourth proportional to 248,622.60, 372,933.90 and 90,830.55 is: 136,245.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,622.60 : 372,933.90 = 90,830.55 : x
  2. Step 2: Convert to fraction form
    248,622.60/372,933.90 = 90,830.55/x
  3. Step 3: Cross multiply
    248,622.60x = 372,933.90 × 90,830.55
  4. Step 4: Simplify right side
    248,622.60x = 33,873,791,250.65
  5. Step 5: Solve for x
    x = 33,873,791,250.65/248,622.60
  6. Step 6: Final answer
    x = 136,245.83

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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.