Home / 281,966.96-422,975.28-79,564.84

Finding the Fourth Proportional to 281,966.96, 422,975.28 and 79,564.84

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Solution

The fourth proportional to 281,966.96, 422,975.28 and 79,564.84 is: 119,354.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,966.96 : 422,975.28 = 79,564.84 : x
  2. Step 2: Convert to fraction form
    281,966.96/422,975.28 = 79,564.84/x
  3. Step 3: Cross multiply
    281,966.96x = 422,975.28 × 79,564.84
  4. Step 4: Simplify right side
    281,966.96x = 33,653,960,477.16
  5. Step 5: Solve for x
    x = 33,653,960,477.16/281,966.96
  6. Step 6: Final answer
    x = 119,354.27

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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.