Home / 148,164.71-204,465.74-80,180.19

Finding the Fourth Proportional to 148,164.71, 204,465.74 and 80,180.19

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Solution

The fourth proportional to 148,164.71, 204,465.74 and 80,180.19 is: 110,647.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,164.71 : 204,465.74 = 80,180.19 : x
  2. Step 2: Convert to fraction form
    148,164.71/204,465.74 = 80,180.19/x
  3. Step 3: Cross multiply
    148,164.71x = 204,465.74 × 80,180.19
  4. Step 4: Simplify right side
    148,164.71x = 16,394,101,480.79
  5. Step 5: Solve for x
    x = 16,394,101,480.79/148,164.71
  6. Step 6: Final answer
    x = 110,647.82

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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.