Home / 319,299.55-440,653.17-176,059.33

Finding the Fourth Proportional to 319,299.55, 440,653.17 and 176,059.33

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Solution

The fourth proportional to 319,299.55, 440,653.17 and 176,059.33 is: 242,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,299.55 : 440,653.17 = 176,059.33 : x
  2. Step 2: Convert to fraction form
    319,299.55/440,653.17 = 176,059.33/x
  3. Step 3: Cross multiply
    319,299.55x = 440,653.17 × 176,059.33
  4. Step 4: Simplify right side
    319,299.55x = 77,581,101,872.58
  5. Step 5: Solve for x
    x = 77,581,101,872.58/319,299.55
  6. Step 6: Final answer
    x = 242,972.79

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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.