Home / 234,216.51-323,194.81-136,084.45

Finding the Fourth Proportional to 234,216.51, 323,194.81 and 136,084.45

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Solution

The fourth proportional to 234,216.51, 323,194.81 and 136,084.45 is: 187,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,216.51 : 323,194.81 = 136,084.45 : x
  2. Step 2: Convert to fraction form
    234,216.51/323,194.81 = 136,084.45/x
  3. Step 3: Cross multiply
    234,216.51x = 323,194.81 × 136,084.45
  4. Step 4: Simplify right side
    234,216.51x = 43,981,787,281.28
  5. Step 5: Solve for x
    x = 43,981,787,281.28/234,216.51
  6. Step 6: Final answer
    x = 187,782.61

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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.