Home / 141,634.79-212,583.42-71,563.31

Finding the Fourth Proportional to 141,634.79, 212,583.42 and 71,563.31

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Solution

The fourth proportional to 141,634.79, 212,583.42 and 71,563.31 is: 107,411.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,634.79 : 212,583.42 = 71,563.31 : x
  2. Step 2: Convert to fraction form
    141,634.79/212,583.42 = 71,563.31/x
  3. Step 3: Cross multiply
    141,634.79x = 212,583.42 × 71,563.31
  4. Step 4: Simplify right side
    141,634.79x = 15,213,172,123.40
  5. Step 5: Solve for x
    x = 15,213,172,123.40/141,634.79
  6. Step 6: Final answer
    x = 107,411.27

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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.