Home / 148,736.68-205,255.48-80,752.32

Finding the Fourth Proportional to 148,736.68, 205,255.48 and 80,752.32

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Solution

The fourth proportional to 148,736.68, 205,255.48 and 80,752.32 is: 111,437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,736.68 : 205,255.48 = 80,752.32 : x
  2. Step 2: Convert to fraction form
    148,736.68/205,255.48 = 80,752.32/x
  3. Step 3: Cross multiply
    148,736.68x = 205,255.48 × 80,752.32
  4. Step 4: Simplify right side
    148,736.68x = 16,574,856,202.71
  5. Step 5: Solve for x
    x = 16,574,856,202.71/148,736.68
  6. Step 6: Final answer
    x = 111,437.58

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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.