Home / 168,415.02-252,410.97-84,198.63

Finding the Fourth Proportional to 168,415.02, 252,410.97 and 84,198.63

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Solution

The fourth proportional to 168,415.02, 252,410.97 and 84,198.63 is: 126,192.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,415.02 : 252,410.97 = 84,198.63 : x
  2. Step 2: Convert to fraction form
    168,415.02/252,410.97 = 84,198.63/x
  3. Step 3: Cross multiply
    168,415.02x = 252,410.97 × 84,198.63
  4. Step 4: Simplify right side
    168,415.02x = 21,252,657,870.97
  5. Step 5: Solve for x
    x = 21,252,657,870.97/168,415.02
  6. Step 6: Final answer
    x = 126,192.18

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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.