Home / 272,867.36-409,329.48-104,387.36

Finding the Fourth Proportional to 272,867.36, 409,329.48 and 104,387.36

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Solution

The fourth proportional to 272,867.36, 409,329.48 and 104,387.36 is: 156,591.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,867.36 : 409,329.48 = 104,387.36 : x
  2. Step 2: Convert to fraction form
    272,867.36/409,329.48 = 104,387.36/x
  3. Step 3: Cross multiply
    272,867.36x = 409,329.48 × 104,387.36
  4. Step 4: Simplify right side
    272,867.36x = 42,728,823,787.37
  5. Step 5: Solve for x
    x = 42,728,823,787.37/272,867.36
  6. Step 6: Final answer
    x = 156,591.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.