Home / 281,564.13-422,401.28-123,792.06

Finding the Fourth Proportional to 281,564.13, 422,401.28 and 123,792.06

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Solution

The fourth proportional to 281,564.13, 422,401.28 and 123,792.06 is: 185,712.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,564.13 : 422,401.28 = 123,792.06 : x
  2. Step 2: Convert to fraction form
    281,564.13/422,401.28 = 123,792.06/x
  3. Step 3: Cross multiply
    281,564.13x = 422,401.28 × 123,792.06
  4. Step 4: Simplify right side
    281,564.13x = 52,289,924,597.84
  5. Step 5: Solve for x
    x = 52,289,924,597.84/281,564.13
  6. Step 6: Final answer
    x = 185,712.31

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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.