Home / 298,210.20-411,534.12-162,245.77

Finding the Fourth Proportional to 298,210.20, 411,534.12 and 162,245.77

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Solution

The fourth proportional to 298,210.20, 411,534.12 and 162,245.77 is: 223,901.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,210.20 : 411,534.12 = 162,245.77 : x
  2. Step 2: Convert to fraction form
    298,210.20/411,534.12 = 162,245.77/x
  3. Step 3: Cross multiply
    298,210.20x = 411,534.12 × 162,245.77
  4. Step 4: Simplify right side
    298,210.20x = 66,769,669,760.26
  5. Step 5: Solve for x
    x = 66,769,669,760.26/298,210.20
  6. Step 6: Final answer
    x = 223,901.36

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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.