Home / 325,121.03-487,632.27-88,482.15

Finding the Fourth Proportional to 325,121.03, 487,632.27 and 88,482.15

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Solution

The fourth proportional to 325,121.03, 487,632.27 and 88,482.15 is: 132,709.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,121.03 : 487,632.27 = 88,482.15 : x
  2. Step 2: Convert to fraction form
    325,121.03/487,632.27 = 88,482.15/x
  3. Step 3: Cross multiply
    325,121.03x = 487,632.27 × 88,482.15
  4. Step 4: Simplify right side
    325,121.03x = 43,146,751,658.98
  5. Step 5: Solve for x
    x = 43,146,751,658.98/325,121.03
  6. Step 6: Final answer
    x = 132,709.82

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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.