Home / 219,923.40-329,885.10-199,584.30

Finding the Fourth Proportional to 219,923.40, 329,885.10 and 199,584.30

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Solution

The fourth proportional to 219,923.40, 329,885.10 and 199,584.30 is: 299,376.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,923.40 : 329,885.10 = 199,584.30 : x
  2. Step 2: Convert to fraction form
    219,923.40/329,885.10 = 199,584.30/x
  3. Step 3: Cross multiply
    219,923.40x = 329,885.10 × 199,584.30
  4. Step 4: Simplify right side
    219,923.40x = 65,839,886,763.93
  5. Step 5: Solve for x
    x = 65,839,886,763.93/219,923.40
  6. Step 6: Final answer
    x = 299,376.45

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Similar ratio
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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.