Home / 188,932.80-260,682.50-107,242.89

Finding the Fourth Proportional to 188,932.80, 260,682.50 and 107,242.89

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Solution

The fourth proportional to 188,932.80, 260,682.50 and 107,242.89 is: 147,969.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,932.80 : 260,682.50 = 107,242.89 : x
  2. Step 2: Convert to fraction form
    188,932.80/260,682.50 = 107,242.89/x
  3. Step 3: Cross multiply
    188,932.80x = 260,682.50 × 107,242.89
  4. Step 4: Simplify right side
    188,932.80x = 27,956,343,962.97
  5. Step 5: Solve for x
    x = 27,956,343,962.97/188,932.80
  6. Step 6: Final answer
    x = 147,969.77

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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.