Home / 216,977.18-325,341.05-115,650.41

Finding the Fourth Proportional to 216,977.18, 325,341.05 and 115,650.41

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Solution

The fourth proportional to 216,977.18, 325,341.05 and 115,650.41 is: 173,409.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,977.18 : 325,341.05 = 115,650.41 : x
  2. Step 2: Convert to fraction form
    216,977.18/325,341.05 = 115,650.41/x
  3. Step 3: Cross multiply
    216,977.18x = 325,341.05 × 115,650.41
  4. Step 4: Simplify right side
    216,977.18x = 37,625,823,617.37
  5. Step 5: Solve for x
    x = 37,625,823,617.37/216,977.18
  6. Step 6: Final answer
    x = 173,409.13

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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.