Home / 192,515.89-265,565.27-111,934.51

Finding the Fourth Proportional to 192,515.89, 265,565.27 and 111,934.51

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Solution

The fourth proportional to 192,515.89, 265,565.27 and 111,934.51 is: 154,407.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,515.89 : 265,565.27 = 111,934.51 : x
  2. Step 2: Convert to fraction form
    192,515.89/265,565.27 = 111,934.51/x
  3. Step 3: Cross multiply
    192,515.89x = 265,565.27 × 111,934.51
  4. Step 4: Simplify right side
    192,515.89x = 29,725,918,370.47
  5. Step 5: Solve for x
    x = 29,725,918,370.47/192,515.89
  6. Step 6: Final answer
    x = 154,407.61

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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.