Home / 129,328.70-193,993.13-35,834.45

Finding the Fourth Proportional to 129,328.70, 193,993.13 and 35,834.45

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Solution

The fourth proportional to 129,328.70, 193,993.13 and 35,834.45 is: 53,751.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,328.70 : 193,993.13 = 35,834.45 : x
  2. Step 2: Convert to fraction form
    129,328.70/193,993.13 = 35,834.45/x
  3. Step 3: Cross multiply
    129,328.70x = 193,993.13 × 35,834.45
  4. Step 4: Simplify right side
    129,328.70x = 6,951,637,126.59
  5. Step 5: Solve for x
    x = 6,951,637,126.59/129,328.70
  6. Step 6: Final answer
    x = 53,751.70

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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.