Home / 325,937.25-488,623.32-126,120.15

Finding the Fourth Proportional to 325,937.25, 488,623.32 and 126,120.15

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Solution

The fourth proportional to 325,937.25, 488,623.32 and 126,120.15 is: 189,070.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,937.25 : 488,623.32 = 126,120.15 : x
  2. Step 2: Convert to fraction form
    325,937.25/488,623.32 = 126,120.15/x
  3. Step 3: Cross multiply
    325,937.25x = 488,623.32 × 126,120.15
  4. Step 4: Simplify right side
    325,937.25x = 61,625,246,411.90
  5. Step 5: Solve for x
    x = 61,625,246,411.90/325,937.25
  6. Step 6: Final answer
    x = 189,070.89

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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.