Home / 196,920.39-295,378.38-133,583.61

Finding the Fourth Proportional to 196,920.39, 295,378.38 and 133,583.61

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Solution

The fourth proportional to 196,920.39, 295,378.38 and 133,583.61 is: 200,373.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,920.39 : 295,378.38 = 133,583.61 : x
  2. Step 2: Convert to fraction form
    196,920.39/295,378.38 = 133,583.61/x
  3. Step 3: Cross multiply
    196,920.39x = 295,378.38 × 133,583.61
  4. Step 4: Simplify right side
    196,920.39x = 39,457,710,316.35
  5. Step 5: Solve for x
    x = 39,457,710,316.35/196,920.39
  6. Step 6: Final answer
    x = 200,373.92

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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.