Home / 132,660.86-183,075.26-72,234.80

Finding the Fourth Proportional to 132,660.86, 183,075.26 and 72,234.80

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Solution

The fourth proportional to 132,660.86, 183,075.26 and 72,234.80 is: 99,685.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,660.86 : 183,075.26 = 72,234.80 : x
  2. Step 2: Convert to fraction form
    132,660.86/183,075.26 = 72,234.80/x
  3. Step 3: Cross multiply
    132,660.86x = 183,075.26 × 72,234.80
  4. Step 4: Simplify right side
    132,660.86x = 13,224,404,791.05
  5. Step 5: Solve for x
    x = 13,224,404,791.05/132,660.86
  6. Step 6: Final answer
    x = 99,685.81

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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.