Home / 215,953.80-298,016.04-120,460.44

Finding the Fourth Proportional to 215,953.80, 298,016.04 and 120,460.44

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Solution

The fourth proportional to 215,953.80, 298,016.04 and 120,460.44 is: 166,235.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,953.80 : 298,016.04 = 120,460.44 : x
  2. Step 2: Convert to fraction form
    215,953.80/298,016.04 = 120,460.44/x
  3. Step 3: Cross multiply
    215,953.80x = 298,016.04 × 120,460.44
  4. Step 4: Simplify right side
    215,953.80x = 35,899,143,305.46
  5. Step 5: Solve for x
    x = 35,899,143,305.46/215,953.80
  6. Step 6: Final answer
    x = 166,235.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.