Home / 319,027.30-440,277.29-175,787.31

Finding the Fourth Proportional to 319,027.30, 440,277.29 and 175,787.31

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Solution

The fourth proportional to 319,027.30, 440,277.29 and 175,787.31 is: 242,597.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,027.30 : 440,277.29 = 175,787.31 : x
  2. Step 2: Convert to fraction form
    319,027.30/440,277.29 = 175,787.31/x
  3. Step 3: Cross multiply
    319,027.30x = 440,277.29 × 175,787.31
  4. Step 4: Simplify right side
    319,027.30x = 77,395,157,382.87
  5. Step 5: Solve for x
    x = 77,395,157,382.87/319,027.30
  6. Step 6: Final answer
    x = 242,597.29

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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.