Home / 192,515.86-265,565.23-111,934.48

Finding the Fourth Proportional to 192,515.86, 265,565.23 and 111,934.48

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Solution

The fourth proportional to 192,515.86, 265,565.23 and 111,934.48 is: 154,407.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,515.86 : 265,565.23 = 111,934.48 : x
  2. Step 2: Convert to fraction form
    192,515.86/265,565.23 = 111,934.48/x
  3. Step 3: Cross multiply
    192,515.86x = 265,565.23 × 111,934.48
  4. Step 4: Simplify right side
    192,515.86x = 29,725,905,926.13
  5. Step 5: Solve for x
    x = 29,725,905,926.13/192,515.86
  6. Step 6: Final answer
    x = 154,407.57

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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.