Home / 319,276.56-440,604.72-176,042.28

Finding the Fourth Proportional to 319,276.56, 440,604.72 and 176,042.28

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Solution

The fourth proportional to 319,276.56, 440,604.72 and 176,042.28 is: 242,940.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,276.56 : 440,604.72 = 176,042.28 : x
  2. Step 2: Convert to fraction form
    319,276.56/440,604.72 = 176,042.28/x
  3. Step 3: Cross multiply
    319,276.56x = 440,604.72 × 176,042.28
  4. Step 4: Simplify right side
    319,276.56x = 77,565,059,487.56
  5. Step 5: Solve for x
    x = 77,565,059,487.56/319,276.56
  6. Step 6: Final answer
    x = 242,940.04

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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.