Home / 148,933.43-205,529.51-80,950.56

Finding the Fourth Proportional to 148,933.43, 205,529.51 and 80,950.56

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Solution

The fourth proportional to 148,933.43, 205,529.51 and 80,950.56 is: 111,712.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,933.43 : 205,529.51 = 80,950.56 : x
  2. Step 2: Convert to fraction form
    148,933.43/205,529.51 = 80,950.56/x
  3. Step 3: Cross multiply
    148,933.43x = 205,529.51 × 80,950.56
  4. Step 4: Simplify right side
    148,933.43x = 16,637,727,498.63
  5. Step 5: Solve for x
    x = 16,637,727,498.63/148,933.43
  6. Step 6: Final answer
    x = 111,712.52

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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.