Home / 168,826.26-232,869.70-100,790.11

Finding the Fourth Proportional to 168,826.26, 232,869.70 and 100,790.11

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Solution

The fourth proportional to 168,826.26, 232,869.70 and 100,790.11 is: 139,024.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,826.26 : 232,869.70 = 100,790.11 : x
  2. Step 2: Convert to fraction form
    168,826.26/232,869.70 = 100,790.11/x
  3. Step 3: Cross multiply
    168,826.26x = 232,869.70 × 100,790.11
  4. Step 4: Simplify right side
    168,826.26x = 23,470,962,678.67
  5. Step 5: Solve for x
    x = 23,470,962,678.67/168,826.26
  6. Step 6: Final answer
    x = 139,024.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.