Home / 236,647.74-326,388.78-151,772.70

Finding the Fourth Proportional to 236,647.74, 326,388.78 and 151,772.70

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Solution

The fourth proportional to 236,647.74, 326,388.78 and 151,772.70 is: 209,327.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,647.74 : 326,388.78 = 151,772.70 : x
  2. Step 2: Convert to fraction form
    236,647.74/326,388.78 = 151,772.70/x
  3. Step 3: Cross multiply
    236,647.74x = 326,388.78 × 151,772.70
  4. Step 4: Simplify right side
    236,647.74x = 49,536,906,390.31
  5. Step 5: Solve for x
    x = 49,536,906,390.31/236,647.74
  6. Step 6: Final answer
    x = 209,327.61

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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.