Home / 129,465.69-194,209.07-35,971.44

Finding the Fourth Proportional to 129,465.69, 194,209.07 and 35,971.44

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Solution

The fourth proportional to 129,465.69, 194,209.07 and 35,971.44 is: 53,960.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,465.69 : 194,209.07 = 35,971.44 : x
  2. Step 2: Convert to fraction form
    129,465.69/194,209.07 = 35,971.44/x
  3. Step 3: Cross multiply
    129,465.69x = 194,209.07 × 35,971.44
  4. Step 4: Simplify right side
    129,465.69x = 6,985,979,729.10
  5. Step 5: Solve for x
    x = 6,985,979,729.10/129,465.69
  6. Step 6: Final answer
    x = 53,960.09

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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.