Home / 219,613.80-329,420.70-195,994.20

Finding the Fourth Proportional to 219,613.80, 329,420.70 and 195,994.20

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Solution

The fourth proportional to 219,613.80, 329,420.70 and 195,994.20 is: 293,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,613.80 : 329,420.70 = 195,994.20 : x
  2. Step 2: Convert to fraction form
    219,613.80/329,420.70 = 195,994.20/x
  3. Step 3: Cross multiply
    219,613.80x = 329,420.70 × 195,994.20
  4. Step 4: Simplify right side
    219,613.80x = 64,564,546,559.94
  5. Step 5: Solve for x
    x = 64,564,546,559.94/219,613.80
  6. Step 6: Final answer
    x = 293,991.30

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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.