Home / 122,976.10-184,464.15-120,643.30

Finding the Fourth Proportional to 122,976.10, 184,464.15 and 120,643.30

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Solution

The fourth proportional to 122,976.10, 184,464.15 and 120,643.30 is: 180,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,976.10 : 184,464.15 = 120,643.30 : x
  2. Step 2: Convert to fraction form
    122,976.10/184,464.15 = 120,643.30/x
  3. Step 3: Cross multiply
    122,976.10x = 184,464.15 × 120,643.30
  4. Step 4: Simplify right side
    122,976.10x = 22,254,363,787.70
  5. Step 5: Solve for x
    x = 22,254,363,787.70/122,976.10
  6. Step 6: Final answer
    x = 180,964.95

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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.