Home / 148,551.75-205,001.52-80,568.69

Finding the Fourth Proportional to 148,551.75, 205,001.52 and 80,568.69

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Solution

The fourth proportional to 148,551.75, 205,001.52 and 80,568.69 is: 111,184.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,551.75 : 205,001.52 = 80,568.69 : x
  2. Step 2: Convert to fraction form
    148,551.75/205,001.52 = 80,568.69/x
  3. Step 3: Cross multiply
    148,551.75x = 205,001.52 × 80,568.69
  4. Step 4: Simplify right side
    148,551.75x = 16,516,703,914.41
  5. Step 5: Solve for x
    x = 16,516,703,914.41/148,551.75
  6. Step 6: Final answer
    x = 111,184.85

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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.