Home / 325,338.12-487,951.80-88,625.40

Finding the Fourth Proportional to 325,338.12, 487,951.80 and 88,625.40

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Solution

The fourth proportional to 325,338.12, 487,951.80 and 88,625.40 is: 132,923.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,338.12 : 487,951.80 = 88,625.40 : x
  2. Step 2: Convert to fraction form
    325,338.12/487,951.80 = 88,625.40/x
  3. Step 3: Cross multiply
    325,338.12x = 487,951.80 × 88,625.40
  4. Step 4: Simplify right side
    325,338.12x = 43,244,923,455.72
  5. Step 5: Solve for x
    x = 43,244,923,455.72/325,338.12
  6. Step 6: Final answer
    x = 132,923.01

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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.