Home / 142,387.70-196,625.49-114,299.06

Finding the Fourth Proportional to 142,387.70, 196,625.49 and 114,299.06

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Solution

The fourth proportional to 142,387.70, 196,625.49 and 114,299.06 is: 157,837.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,387.70 : 196,625.49 = 114,299.06 : x
  2. Step 2: Convert to fraction form
    142,387.70/196,625.49 = 114,299.06/x
  3. Step 3: Cross multiply
    142,387.70x = 196,625.49 × 114,299.06
  4. Step 4: Simplify right side
    142,387.70x = 22,474,108,679.04
  5. Step 5: Solve for x
    x = 22,474,108,679.04/142,387.70
  6. Step 6: Final answer
    x = 157,837.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.