Home / 281,829.40-422,744.10-94,821.40

Finding the Fourth Proportional to 281,829.40, 422,744.10 and 94,821.40

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Solution

The fourth proportional to 281,829.40, 422,744.10 and 94,821.40 is: 142,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,829.40 : 422,744.10 = 94,821.40 : x
  2. Step 2: Convert to fraction form
    281,829.40/422,744.10 = 94,821.40/x
  3. Step 3: Cross multiply
    281,829.40x = 422,744.10 × 94,821.40
  4. Step 4: Simplify right side
    281,829.40x = 40,085,187,403.74
  5. Step 5: Solve for x
    x = 40,085,187,403.74/281,829.40
  6. Step 6: Final answer
    x = 142,232.10

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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.