Home / 129,661.57-194,492.39-40,924.04

Finding the Fourth Proportional to 129,661.57, 194,492.39 and 40,924.04

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Solution

The fourth proportional to 129,661.57, 194,492.39 and 40,924.04 is: 61,386.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,661.57 : 194,492.39 = 40,924.04 : x
  2. Step 2: Convert to fraction form
    129,661.57/194,492.39 = 40,924.04/x
  3. Step 3: Cross multiply
    129,661.57x = 194,492.39 × 40,924.04
  4. Step 4: Simplify right side
    129,661.57x = 7,959,414,629.67
  5. Step 5: Solve for x
    x = 7,959,414,629.67/129,661.57
  6. Step 6: Final answer
    x = 61,386.07

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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.