Home / 319,240.45-440,546.57-176,013.82

Finding the Fourth Proportional to 319,240.45, 440,546.57 and 176,013.82

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Solution

The fourth proportional to 319,240.45, 440,546.57 and 176,013.82 is: 242,896.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,240.45 : 440,546.57 = 176,013.82 : x
  2. Step 2: Convert to fraction form
    319,240.45/440,546.57 = 176,013.82/x
  3. Step 3: Cross multiply
    319,240.45x = 440,546.57 × 176,013.82
  4. Step 4: Simplify right side
    319,240.45x = 77,542,283,352.21
  5. Step 5: Solve for x
    x = 77,542,283,352.21/319,240.45
  6. Step 6: Final answer
    x = 242,896.17

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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.