Home / 216,981.86-325,243.15-98,736.24

Finding the Fourth Proportional to 216,981.86, 325,243.15 and 98,736.24

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Solution

The fourth proportional to 216,981.86, 325,243.15 and 98,736.24 is: 147,999.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,981.86 : 325,243.15 = 98,736.24 : x
  2. Step 2: Convert to fraction form
    216,981.86/325,243.15 = 98,736.24/x
  3. Step 3: Cross multiply
    216,981.86x = 325,243.15 × 98,736.24
  4. Step 4: Simplify right side
    216,981.86x = 32,113,285,716.76
  5. Step 5: Solve for x
    x = 32,113,285,716.76/216,981.86
  6. Step 6: Final answer
    x = 147,999.86

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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.