Home / 168,973.67-233,167.83-100,977.11

Finding the Fourth Proportional to 168,973.67, 233,167.83 and 100,977.11

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Solution

The fourth proportional to 168,973.67, 233,167.83 and 100,977.11 is: 139,338.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,973.67 : 233,167.83 = 100,977.11 : x
  2. Step 2: Convert to fraction form
    168,973.67/233,167.83 = 100,977.11/x
  3. Step 3: Cross multiply
    168,973.67x = 233,167.83 × 100,977.11
  4. Step 4: Simplify right side
    168,973.67x = 23,544,612,452.53
  5. Step 5: Solve for x
    x = 23,544,612,452.53/168,973.67
  6. Step 6: Final answer
    x = 139,338.95

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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.