Home / 194,828.64-268,833.78-123,306.45

Finding the Fourth Proportional to 194,828.64, 268,833.78 and 123,306.45

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Solution

The fourth proportional to 194,828.64, 268,833.78 and 123,306.45 is: 170,144.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,828.64 : 268,833.78 = 123,306.45 : x
  2. Step 2: Convert to fraction form
    194,828.64/268,833.78 = 123,306.45/x
  3. Step 3: Cross multiply
    194,828.64x = 268,833.78 × 123,306.45
  4. Step 4: Simplify right side
    194,828.64x = 33,148,939,051.88
  5. Step 5: Solve for x
    x = 33,148,939,051.88/194,828.64
  6. Step 6: Final answer
    x = 170,144.08

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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.