Home / 148,833.33-205,391.61-80,851.11

Finding the Fourth Proportional to 148,833.33, 205,391.61 and 80,851.11

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Solution

The fourth proportional to 148,833.33, 205,391.61 and 80,851.11 is: 111,575.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,833.33 : 205,391.61 = 80,851.11 : x
  2. Step 2: Convert to fraction form
    148,833.33/205,391.61 = 80,851.11/x
  3. Step 3: Cross multiply
    148,833.33x = 205,391.61 × 80,851.11
  4. Step 4: Simplify right side
    148,833.33x = 16,606,139,653.19
  5. Step 5: Solve for x
    x = 16,606,139,653.19/148,833.33
  6. Step 6: Final answer
    x = 111,575.41

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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.