Home / 171,665.24-257,410.02-71,798.12

Finding the Fourth Proportional to 171,665.24, 257,410.02 and 71,798.12

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Solution

The fourth proportional to 171,665.24, 257,410.02 and 71,798.12 is: 107,660.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,665.24 : 257,410.02 = 71,798.12 : x
  2. Step 2: Convert to fraction form
    171,665.24/257,410.02 = 71,798.12/x
  3. Step 3: Cross multiply
    171,665.24x = 257,410.02 × 71,798.12
  4. Step 4: Simplify right side
    171,665.24x = 18,481,555,505.16
  5. Step 5: Solve for x
    x = 18,481,555,505.16/171,665.24
  6. Step 6: Final answer
    x = 107,660.44

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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.