Home / 129,300.42-193,964.13-35,806.17

Finding the Fourth Proportional to 129,300.42, 193,964.13 and 35,806.17

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Solution

The fourth proportional to 129,300.42, 193,964.13 and 35,806.17 is: 53,712.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,300.42 : 193,964.13 = 35,806.17 : x
  2. Step 2: Convert to fraction form
    129,300.42/193,964.13 = 35,806.17/x
  3. Step 3: Cross multiply
    129,300.42x = 193,964.13 × 35,806.17
  4. Step 4: Simplify right side
    129,300.42x = 6,945,112,612.68
  5. Step 5: Solve for x
    x = 6,945,112,612.68/129,300.42
  6. Step 6: Final answer
    x = 53,712.99

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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.