Home / 325,828.80-488,743.20-101,187.45

Finding the Fourth Proportional to 325,828.80, 488,743.20 and 101,187.45

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Solution

The fourth proportional to 325,828.80, 488,743.20 and 101,187.45 is: 151,781.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,828.80 : 488,743.20 = 101,187.45 : x
  2. Step 2: Convert to fraction form
    325,828.80/488,743.20 = 101,187.45/x
  3. Step 3: Cross multiply
    325,828.80x = 488,743.20 × 101,187.45
  4. Step 4: Simplify right side
    325,828.80x = 49,454,678,112.84
  5. Step 5: Solve for x
    x = 49,454,678,112.84/325,828.80
  6. Step 6: Final answer
    x = 151,781.18

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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.