Home / 212,864.36-293,795.38-122,282.44

Finding the Fourth Proportional to 212,864.36, 293,795.38 and 122,282.44

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Solution

The fourth proportional to 212,864.36, 293,795.38 and 122,282.44 is: 168,774.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,864.36 : 293,795.38 = 122,282.44 : x
  2. Step 2: Convert to fraction form
    212,864.36/293,795.38 = 122,282.44/x
  3. Step 3: Cross multiply
    212,864.36x = 293,795.38 × 122,282.44
  4. Step 4: Simplify right side
    212,864.36x = 35,926,015,927.13
  5. Step 5: Solve for x
    x = 35,926,015,927.13/212,864.36
  6. Step 6: Final answer
    x = 168,774.22

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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.