Home / 192,664.52-265,887.06-107,783

Finding the Fourth Proportional to 192,664.52, 265,887.06 and 107,783

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Solution

The fourth proportional to 192,664.52, 265,887.06 and 107,783 is: 148,746.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,664.52 : 265,887.06 = 107,783 : x
  2. Step 2: Convert to fraction form
    192,664.52/265,887.06 = 107,783/x
  3. Step 3: Cross multiply
    192,664.52x = 265,887.06 × 107,783
  4. Step 4: Simplify right side
    192,664.52x = 28,658,104,987.98
  5. Step 5: Solve for x
    x = 28,658,104,987.98/192,664.52
  6. Step 6: Final answer
    x = 148,746.15

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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.