Home / 171,540.02-257,297.70-53,208.30

Finding the Fourth Proportional to 171,540.02, 257,297.70 and 53,208.30

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Solution

The fourth proportional to 171,540.02, 257,297.70 and 53,208.30 is: 79,808.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,540.02 : 257,297.70 = 53,208.30 : x
  2. Step 2: Convert to fraction form
    171,540.02/257,297.70 = 53,208.30/x
  3. Step 3: Cross multiply
    171,540.02x = 257,297.70 × 53,208.30
  4. Step 4: Simplify right side
    171,540.02x = 13,690,373,210.91
  5. Step 5: Solve for x
    x = 13,690,373,210.91/171,540.02
  6. Step 6: Final answer
    x = 79,808.63

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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.