Home / 129,414.51-194,120.64-35,920.26

Finding the Fourth Proportional to 129,414.51, 194,120.64 and 35,920.26

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Solution

The fourth proportional to 129,414.51, 194,120.64 and 35,920.26 is: 53,880.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,414.51 : 194,120.64 = 35,920.26 : x
  2. Step 2: Convert to fraction form
    129,414.51/194,120.64 = 35,920.26/x
  3. Step 3: Cross multiply
    129,414.51x = 194,120.64 × 35,920.26
  4. Step 4: Simplify right side
    129,414.51x = 6,972,863,860.17
  5. Step 5: Solve for x
    x = 6,972,863,860.17/129,414.51
  6. Step 6: Final answer
    x = 53,880.08

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1.5x scale

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.