Home / 281,051.50-421,582.73-103,467.10

Finding the Fourth Proportional to 281,051.50, 421,582.73 and 103,467.10

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Solution

The fourth proportional to 281,051.50, 421,582.73 and 103,467.10 is: 155,202.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,051.50 : 421,582.73 = 103,467.10 : x
  2. Step 2: Convert to fraction form
    281,051.50/421,582.73 = 103,467.10/x
  3. Step 3: Cross multiply
    281,051.50x = 421,582.73 × 103,467.10
  4. Step 4: Simplify right side
    281,051.50x = 43,619,942,483.18
  5. Step 5: Solve for x
    x = 43,619,942,483.18/281,051.50
  6. Step 6: Final answer
    x = 155,202.67

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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.