Home / 212,815.56-293,687.46-117,325.64

Finding the Fourth Proportional to 212,815.56, 293,687.46 and 117,325.64

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Solution

The fourth proportional to 212,815.56, 293,687.46 and 117,325.64 is: 161,910.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,815.56 : 293,687.46 = 117,325.64 : x
  2. Step 2: Convert to fraction form
    212,815.56/293,687.46 = 117,325.64/x
  3. Step 3: Cross multiply
    212,815.56x = 293,687.46 × 117,325.64
  4. Step 4: Simplify right side
    212,815.56x = 34,457,069,204.47
  5. Step 5: Solve for x
    x = 34,457,069,204.47/212,815.56
  6. Step 6: Final answer
    x = 161,910.48

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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.