Home / 325,664.12-488,509.88-89,006.15

Finding the Fourth Proportional to 325,664.12, 488,509.88 and 89,006.15

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Solution

The fourth proportional to 325,664.12, 488,509.88 and 89,006.15 is: 133,512.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,664.12 : 488,509.88 = 89,006.15 : x
  2. Step 2: Convert to fraction form
    325,664.12/488,509.88 = 89,006.15/x
  3. Step 3: Cross multiply
    325,664.12x = 488,509.88 × 89,006.15
  4. Step 4: Simplify right side
    325,664.12x = 43,480,383,655.76
  5. Step 5: Solve for x
    x = 43,480,383,655.76/325,664.12
  6. Step 6: Final answer
    x = 133,512.97

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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.