Home / 141,564.57-212,169.06-84,680.43

Finding the Fourth Proportional to 141,564.57, 212,169.06 and 84,680.43

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Solution

The fourth proportional to 141,564.57, 212,169.06 and 84,680.43 is: 126,914.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,564.57 : 212,169.06 = 84,680.43 : x
  2. Step 2: Convert to fraction form
    141,564.57/212,169.06 = 84,680.43/x
  3. Step 3: Cross multiply
    141,564.57x = 212,169.06 × 84,680.43
  4. Step 4: Simplify right side
    141,564.57x = 17,966,567,233.50
  5. Step 5: Solve for x
    x = 17,966,567,233.50/141,564.57
  6. Step 6: Final answer
    x = 126,914.29

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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.