Home / 129,758.01-179,072.19-73,168.17

Finding the Fourth Proportional to 129,758.01, 179,072.19 and 73,168.17

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Solution

The fourth proportional to 129,758.01, 179,072.19 and 73,168.17 is: 100,975.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,758.01 : 179,072.19 = 73,168.17 : x
  2. Step 2: Convert to fraction form
    129,758.01/179,072.19 = 73,168.17/x
  3. Step 3: Cross multiply
    129,758.01x = 179,072.19 × 73,168.17
  4. Step 4: Simplify right side
    129,758.01x = 13,102,384,440.19
  5. Step 5: Solve for x
    x = 13,102,384,440.19/129,758.01
  6. Step 6: Final answer
    x = 100,975.53

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1.5x scale

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.