Home / 281,046.62-421,575.40-103,462.22

Finding the Fourth Proportional to 281,046.62, 421,575.40 and 103,462.22

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Solution

The fourth proportional to 281,046.62, 421,575.40 and 103,462.22 is: 155,195.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,046.62 : 421,575.40 = 103,462.22 : x
  2. Step 2: Convert to fraction form
    281,046.62/421,575.40 = 103,462.22/x
  3. Step 3: Cross multiply
    281,046.62x = 421,575.40 × 103,462.22
  4. Step 4: Simplify right side
    281,046.62x = 43,617,127,964.65
  5. Step 5: Solve for x
    x = 43,617,127,964.65/281,046.62
  6. Step 6: Final answer
    x = 155,195.35

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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.