Home / 260,461.23-389,626.05-196,808.19

Finding the Fourth Proportional to 260,461.23, 389,626.05 and 196,808.19

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Solution

The fourth proportional to 260,461.23, 389,626.05 and 196,808.19 is: 294,406.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,461.23 : 389,626.05 = 196,808.19 : x
  2. Step 2: Convert to fraction form
    260,461.23/389,626.05 = 196,808.19/x
  3. Step 3: Cross multiply
    260,461.23x = 389,626.05 × 196,808.19
  4. Step 4: Simplify right side
    260,461.23x = 76,681,597,677.35
  5. Step 5: Solve for x
    x = 76,681,597,677.35/260,461.23
  6. Step 6: Final answer
    x = 294,406.96

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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.