Home / 216,979.86-325,240.15-98,734.24

Finding the Fourth Proportional to 216,979.86, 325,240.15 and 98,734.24

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Solution

The fourth proportional to 216,979.86, 325,240.15 and 98,734.24 is: 147,996.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,979.86 : 325,240.15 = 98,734.24 : x
  2. Step 2: Convert to fraction form
    216,979.86/325,240.15 = 98,734.24/x
  3. Step 3: Cross multiply
    216,979.86x = 325,240.15 × 98,734.24
  4. Step 4: Simplify right side
    216,979.86x = 32,112,339,027.74
  5. Step 5: Solve for x
    x = 32,112,339,027.74/216,979.86
  6. Step 6: Final answer
    x = 147,996.86

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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.