Home / 281,050.50-421,581.23-103,466.10

Finding the Fourth Proportional to 281,050.50, 421,581.23 and 103,466.10

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Solution

The fourth proportional to 281,050.50, 421,581.23 and 103,466.10 is: 155,201.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,050.50 : 421,581.23 = 103,466.10 : x
  2. Step 2: Convert to fraction form
    281,050.50/421,581.23 = 103,466.10/x
  3. Step 3: Cross multiply
    281,050.50x = 421,581.23 × 103,466.10
  4. Step 4: Simplify right side
    281,050.50x = 43,619,365,183.97
  5. Step 5: Solve for x
    x = 43,619,365,183.97/281,050.50
  6. Step 6: Final answer
    x = 155,201.17

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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.