Home / 213,826.80-320,740.20-164,060.40

Finding the Fourth Proportional to 213,826.80, 320,740.20 and 164,060.40

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Solution

The fourth proportional to 213,826.80, 320,740.20 and 164,060.40 is: 246,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,826.80 : 320,740.20 = 164,060.40 : x
  2. Step 2: Convert to fraction form
    213,826.80/320,740.20 = 164,060.40/x
  3. Step 3: Cross multiply
    213,826.80x = 320,740.20 × 164,060.40
  4. Step 4: Simplify right side
    213,826.80x = 52,620,765,508.08
  5. Step 5: Solve for x
    x = 52,620,765,508.08/213,826.80
  6. Step 6: Final answer
    x = 246,090.60

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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.