Home / 192,661.24-265,872.90-107,779.72

Finding the Fourth Proportional to 192,661.24, 265,872.90 and 107,779.72

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Solution

The fourth proportional to 192,661.24, 265,872.90 and 107,779.72 is: 148,736.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,661.24 : 265,872.90 = 107,779.72 : x
  2. Step 2: Convert to fraction form
    192,661.24/265,872.90 = 107,779.72/x
  3. Step 3: Cross multiply
    192,661.24x = 265,872.90 × 107,779.72
  4. Step 4: Simplify right side
    192,661.24x = 28,655,706,717.59
  5. Step 5: Solve for x
    x = 28,655,706,717.59/192,661.24
  6. Step 6: Final answer
    x = 148,736.23

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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.