Home / 319,796.96-441,320.46-176,557.28

Finding the Fourth Proportional to 319,796.96, 441,320.46 and 176,557.28

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Solution

The fourth proportional to 319,796.96, 441,320.46 and 176,557.28 is: 243,649.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,796.96 : 441,320.46 = 176,557.28 : x
  2. Step 2: Convert to fraction form
    319,796.96/441,320.46 = 176,557.28/x
  3. Step 3: Cross multiply
    319,796.96x = 441,320.46 × 176,557.28
  4. Step 4: Simplify right side
    319,796.96x = 77,918,340,025.95
  5. Step 5: Solve for x
    x = 77,918,340,025.95/319,796.96
  6. Step 6: Final answer
    x = 243,649.41

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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.