Home / 190,519.93-285,721.53-131,733.37

Finding the Fourth Proportional to 190,519.93, 285,721.53 and 131,733.37

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Solution

The fourth proportional to 190,519.93, 285,721.53 and 131,733.37 is: 197,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,519.93 : 285,721.53 = 131,733.37 : x
  2. Step 2: Convert to fraction form
    190,519.93/285,721.53 = 131,733.37/x
  3. Step 3: Cross multiply
    190,519.93x = 285,721.53 × 131,733.37
  4. Step 4: Simplify right side
    190,519.93x = 37,639,060,028.46
  5. Step 5: Solve for x
    x = 37,639,060,028.46/190,519.93
  6. Step 6: Final answer
    x = 197,559.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.