Home / 325,363.20-488,062.24-100,878.72

Finding the Fourth Proportional to 325,363.20, 488,062.24 and 100,878.72

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Solution

The fourth proportional to 325,363.20, 488,062.24 and 100,878.72 is: 151,323.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,363.20 : 488,062.24 = 100,878.72 : x
  2. Step 2: Convert to fraction form
    325,363.20/488,062.24 = 100,878.72/x
  3. Step 3: Cross multiply
    325,363.20x = 488,062.24 × 100,878.72
  4. Step 4: Simplify right side
    325,363.20x = 49,235,094,051.53
  5. Step 5: Solve for x
    x = 49,235,094,051.53/325,363.20
  6. Step 6: Final answer
    x = 151,323.49

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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.