Home / 129,315.39-193,973.07-35,821.14

Finding the Fourth Proportional to 129,315.39, 193,973.07 and 35,821.14

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Solution

The fourth proportional to 129,315.39, 193,973.07 and 35,821.14 is: 53,731.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,315.39 : 193,973.07 = 35,821.14 : x
  2. Step 2: Convert to fraction form
    129,315.39/193,973.07 = 35,821.14/x
  3. Step 3: Cross multiply
    129,315.39x = 193,973.07 × 35,821.14
  4. Step 4: Simplify right side
    129,315.39x = 6,948,336,496.70
  5. Step 5: Solve for x
    x = 6,948,336,496.70/129,315.39
  6. Step 6: Final answer
    x = 53,731.71

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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.