Home / 129,313.42-193,983.63-35,819.17

Finding the Fourth Proportional to 129,313.42, 193,983.63 and 35,819.17

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Solution

The fourth proportional to 129,313.42, 193,983.63 and 35,819.17 is: 53,732.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,313.42 : 193,983.63 = 35,819.17 : x
  2. Step 2: Convert to fraction form
    129,313.42/193,983.63 = 35,819.17/x
  3. Step 3: Cross multiply
    129,313.42x = 193,983.63 × 35,819.17
  4. Step 4: Simplify right side
    129,313.42x = 6,948,332,620.19
  5. Step 5: Solve for x
    x = 6,948,332,620.19/129,313.42
  6. Step 6: Final answer
    x = 53,732.49

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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.