Home / 131,793.75-181,908.18-75,237.93

Finding the Fourth Proportional to 131,793.75, 181,908.18 and 75,237.93

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Solution

The fourth proportional to 131,793.75, 181,908.18 and 75,237.93 is: 103,847.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,793.75 : 181,908.18 = 75,237.93 : x
  2. Step 2: Convert to fraction form
    131,793.75/181,908.18 = 75,237.93/x
  3. Step 3: Cross multiply
    131,793.75x = 181,908.18 × 75,237.93
  4. Step 4: Simplify right side
    131,793.75x = 13,686,394,913.27
  5. Step 5: Solve for x
    x = 13,686,394,913.27/131,793.75
  6. Step 6: Final answer
    x = 103,847.07

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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.