Home / 319,066.85-440,306.58-173,873.89

Finding the Fourth Proportional to 319,066.85, 440,306.58 and 173,873.89

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Solution

The fourth proportional to 319,066.85, 440,306.58 and 173,873.89 is: 239,942.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,066.85 : 440,306.58 = 173,873.89 : x
  2. Step 2: Convert to fraction form
    319,066.85/440,306.58 = 173,873.89/x
  3. Step 3: Cross multiply
    319,066.85x = 440,306.58 × 173,873.89
  4. Step 4: Simplify right side
    319,066.85x = 76,557,819,059.61
  5. Step 5: Solve for x
    x = 76,557,819,059.61/319,066.85
  6. Step 6: Final answer
    x = 239,942.88

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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.