Home / 171,954.20-257,931.30-108,968.60

Finding the Fourth Proportional to 171,954.20, 257,931.30 and 108,968.60

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Solution

The fourth proportional to 171,954.20, 257,931.30 and 108,968.60 is: 163,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,954.20 : 257,931.30 = 108,968.60 : x
  2. Step 2: Convert to fraction form
    171,954.20/257,931.30 = 108,968.60/x
  3. Step 3: Cross multiply
    171,954.20x = 257,931.30 × 108,968.60
  4. Step 4: Simplify right side
    171,954.20x = 28,106,412,657.18
  5. Step 5: Solve for x
    x = 28,106,412,657.18/171,954.20
  6. Step 6: Final answer
    x = 163,452.90

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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.