Home / 171,799.20-257,698.80-148,179.60

Finding the Fourth Proportional to 171,799.20, 257,698.80 and 148,179.60

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Solution

The fourth proportional to 171,799.20, 257,698.80 and 148,179.60 is: 222,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,799.20 : 257,698.80 = 148,179.60 : x
  2. Step 2: Convert to fraction form
    171,799.20/257,698.80 = 148,179.60/x
  3. Step 3: Cross multiply
    171,799.20x = 257,698.80 × 148,179.60
  4. Step 4: Simplify right side
    171,799.20x = 38,185,705,104.48
  5. Step 5: Solve for x
    x = 38,185,705,104.48/171,799.20
  6. Step 6: Final answer
    x = 222,269.40

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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.