Home / 281,808.20-422,769.90-94,838.60

Finding the Fourth Proportional to 281,808.20, 422,769.90 and 94,838.60

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Solution

The fourth proportional to 281,808.20, 422,769.90 and 94,838.60 is: 142,277.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,808.20 : 422,769.90 = 94,838.60 : x
  2. Step 2: Convert to fraction form
    281,808.20/422,769.90 = 94,838.60/x
  3. Step 3: Cross multiply
    281,808.20x = 422,769.90 × 94,838.60
  4. Step 4: Simplify right side
    281,808.20x = 40,094,905,438.14
  5. Step 5: Solve for x
    x = 40,094,905,438.14/281,808.20
  6. Step 6: Final answer
    x = 142,277.28

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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.