Home / 330,293.40-455,787.90-179,390.04

Finding the Fourth Proportional to 330,293.40, 455,787.90 and 179,390.04

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Solution

The fourth proportional to 330,293.40, 455,787.90 and 179,390.04 is: 247,549.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,293.40 : 455,787.90 = 179,390.04 : x
  2. Step 2: Convert to fraction form
    330,293.40/455,787.90 = 179,390.04/x
  3. Step 3: Cross multiply
    330,293.40x = 455,787.90 × 179,390.04
  4. Step 4: Simplify right side
    330,293.40x = 81,763,809,612.52
  5. Step 5: Solve for x
    x = 81,763,809,612.52/330,293.40
  6. Step 6: Final answer
    x = 247,549.03

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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.