Home / 171,933.20-257,899.80-169,308.80

Finding the Fourth Proportional to 171,933.20, 257,899.80 and 169,308.80

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Solution

The fourth proportional to 171,933.20, 257,899.80 and 169,308.80 is: 253,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,933.20 : 257,899.80 = 169,308.80 : x
  2. Step 2: Convert to fraction form
    171,933.20/257,899.80 = 169,308.80/x
  3. Step 3: Cross multiply
    171,933.20x = 257,899.80 × 169,308.80
  4. Step 4: Simplify right side
    171,933.20x = 43,664,705,658.24
  5. Step 5: Solve for x
    x = 43,664,705,658.24/171,933.20
  6. Step 6: Final answer
    x = 253,963.20

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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.