Home / 281,051.74-421,583.10-103,467.34

Finding the Fourth Proportional to 281,051.74, 421,583.10 and 103,467.34

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Solution

The fourth proportional to 281,051.74, 421,583.10 and 103,467.34 is: 155,203.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,051.74 : 421,583.10 = 103,467.34 : x
  2. Step 2: Convert to fraction form
    281,051.74/421,583.10 = 103,467.34/x
  3. Step 3: Cross multiply
    281,051.74x = 421,583.10 × 103,467.34
  4. Step 4: Simplify right side
    281,051.74x = 43,620,081,945.95
  5. Step 5: Solve for x
    x = 43,620,081,945.95/281,051.74
  6. Step 6: Final answer
    x = 155,203.03

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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.