Home / 248,621.60-372,932.40-90,829.55

Finding the Fourth Proportional to 248,621.60, 372,932.40 and 90,829.55

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Solution

The fourth proportional to 248,621.60, 372,932.40 and 90,829.55 is: 136,244.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,621.60 : 372,932.40 = 90,829.55 : x
  2. Step 2: Convert to fraction form
    248,621.60/372,932.40 = 90,829.55/x
  3. Step 3: Cross multiply
    248,621.60x = 372,932.40 × 90,829.55
  4. Step 4: Simplify right side
    248,621.60x = 33,873,282,072.42
  5. Step 5: Solve for x
    x = 33,873,282,072.42/248,621.60
  6. Step 6: Final answer
    x = 136,244.33

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1.5x scale

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.