Home / 212,729.43-293,572.76-117,242.28

Finding the Fourth Proportional to 212,729.43, 293,572.76 and 117,242.28

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Solution

The fourth proportional to 212,729.43, 293,572.76 and 117,242.28 is: 161,797.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,729.43 : 293,572.76 = 117,242.28 : x
  2. Step 2: Convert to fraction form
    212,729.43/293,572.76 = 117,242.28/x
  3. Step 3: Cross multiply
    212,729.43x = 293,572.76 × 117,242.28
  4. Step 4: Simplify right side
    212,729.43x = 34,419,139,142.08
  5. Step 5: Solve for x
    x = 34,419,139,142.08/212,729.43
  6. Step 6: Final answer
    x = 161,797.73

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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.