Home / 192,411.95-265,498.75-107,512.61

Finding the Fourth Proportional to 192,411.95, 265,498.75 and 107,512.61

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Solution

The fourth proportional to 192,411.95, 265,498.75 and 107,512.61 is: 148,350.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,411.95 : 265,498.75 = 107,512.61 : x
  2. Step 2: Convert to fraction form
    192,411.95/265,498.75 = 107,512.61/x
  3. Step 3: Cross multiply
    192,411.95x = 265,498.75 × 107,512.61
  4. Step 4: Simplify right side
    192,411.95x = 28,544,463,564.24
  5. Step 5: Solve for x
    x = 28,544,463,564.24/192,411.95
  6. Step 6: Final answer
    x = 148,350.78

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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.