Home / 192,769.45-266,021.80-107,886.51

Finding the Fourth Proportional to 192,769.45, 266,021.80 and 107,886.51

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Solution

The fourth proportional to 192,769.45, 266,021.80 and 107,886.51 is: 148,883.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,769.45 : 266,021.80 = 107,886.51 : x
  2. Step 2: Convert to fraction form
    192,769.45/266,021.80 = 107,886.51/x
  3. Step 3: Cross multiply
    192,769.45x = 266,021.80 × 107,886.51
  4. Step 4: Simplify right side
    192,769.45x = 28,700,163,585.92
  5. Step 5: Solve for x
    x = 28,700,163,585.92/192,769.45
  6. Step 6: Final answer
    x = 148,883.36

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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.