Home / 212,739.28-293,568.24-117,245.68

Finding the Fourth Proportional to 212,739.28, 293,568.24 and 117,245.68

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Solution

The fourth proportional to 212,739.28, 293,568.24 and 117,245.68 is: 161,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,739.28 : 293,568.24 = 117,245.68 : x
  2. Step 2: Convert to fraction form
    212,739.28/293,568.24 = 117,245.68/x
  3. Step 3: Cross multiply
    212,739.28x = 293,568.24 × 117,245.68
  4. Step 4: Simplify right side
    212,739.28x = 34,419,607,925.20
  5. Step 5: Solve for x
    x = 34,419,607,925.20/212,739.28
  6. Step 6: Final answer
    x = 161,792.44

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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.