Home / 114,323.20-171,544.94-81,255.76

Finding the Fourth Proportional to 114,323.20, 171,544.94 and 81,255.76

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Solution

The fourth proportional to 114,323.20, 171,544.94 and 81,255.76 is: 121,926.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,323.20 : 171,544.94 = 81,255.76 : x
  2. Step 2: Convert to fraction form
    114,323.20/171,544.94 = 81,255.76/x
  3. Step 3: Cross multiply
    114,323.20x = 171,544.94 × 81,255.76
  4. Step 4: Simplify right side
    114,323.20x = 13,939,013,943.42
  5. Step 5: Solve for x
    x = 13,939,013,943.42/114,323.20
  6. Step 6: Final answer
    x = 121,926.38

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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.