Home / 171,946.20-257,919.30-154,450.20

Finding the Fourth Proportional to 171,946.20, 257,919.30 and 154,450.20

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Solution

The fourth proportional to 171,946.20, 257,919.30 and 154,450.20 is: 231,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,946.20 : 257,919.30 = 154,450.20 : x
  2. Step 2: Convert to fraction form
    171,946.20/257,919.30 = 154,450.20/x
  3. Step 3: Cross multiply
    171,946.20x = 257,919.30 × 154,450.20
  4. Step 4: Simplify right side
    171,946.20x = 39,835,687,468.86
  5. Step 5: Solve for x
    x = 39,835,687,468.86/171,946.20
  6. Step 6: Final answer
    x = 231,675.30

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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.