Home / 216,976.86-325,235.66-98,731.24

Finding the Fourth Proportional to 216,976.86, 325,235.66 and 98,731.24

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Solution

The fourth proportional to 216,976.86, 325,235.66 and 98,731.24 is: 147,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,976.86 : 325,235.66 = 98,731.24 : x
  2. Step 2: Convert to fraction form
    216,976.86/325,235.66 = 98,731.24/x
  3. Step 3: Cross multiply
    216,976.86x = 325,235.66 × 98,731.24
  4. Step 4: Simplify right side
    216,976.86x = 32,110,918,697.27
  5. Step 5: Solve for x
    x = 32,110,918,697.27/216,976.86
  6. Step 6: Final answer
    x = 147,992.37

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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.