Home / 212,927.25-293,837.38-117,431.90

Finding the Fourth Proportional to 212,927.25, 293,837.38 and 117,431.90

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Solution

The fourth proportional to 212,927.25, 293,837.38 and 117,431.90 is: 162,054.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,927.25 : 293,837.38 = 117,431.90 : x
  2. Step 2: Convert to fraction form
    212,927.25/293,837.38 = 117,431.90/x
  3. Step 3: Cross multiply
    212,927.25x = 293,837.38 × 117,431.90
  4. Step 4: Simplify right side
    212,927.25x = 34,505,881,824.42
  5. Step 5: Solve for x
    x = 34,505,881,824.42/212,927.25
  6. Step 6: Final answer
    x = 162,054.79

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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.