Home / 321,454.08-482,025.60-111,018.24

Finding the Fourth Proportional to 321,454.08, 482,025.60 and 111,018.24

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Solution

The fourth proportional to 321,454.08, 482,025.60 and 111,018.24 is: 166,473.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,454.08 : 482,025.60 = 111,018.24 : x
  2. Step 2: Convert to fraction form
    321,454.08/482,025.60 = 111,018.24/x
  3. Step 3: Cross multiply
    321,454.08x = 482,025.60 × 111,018.24
  4. Step 4: Simplify right side
    321,454.08x = 53,513,633,746.94
  5. Step 5: Solve for x
    x = 53,513,633,746.94/321,454.08
  6. Step 6: Final answer
    x = 166,473.65

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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.