Home / 129,764.64-179,075.22-73,176.04

Finding the Fourth Proportional to 129,764.64, 179,075.22 and 73,176.04

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Solution

The fourth proportional to 129,764.64, 179,075.22 and 73,176.04 is: 100,982.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,764.64 : 179,075.22 = 73,176.04 : x
  2. Step 2: Convert to fraction form
    129,764.64/179,075.22 = 73,176.04/x
  3. Step 3: Cross multiply
    129,764.64x = 179,075.22 × 73,176.04
  4. Step 4: Simplify right side
    129,764.64x = 13,104,015,461.73
  5. Step 5: Solve for x
    x = 13,104,015,461.73/129,764.64
  6. Step 6: Final answer
    x = 100,982.94

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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.