Home / 129,217.92-193,946.82-66,083.16

Finding the Fourth Proportional to 129,217.92, 193,946.82 and 66,083.16

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Solution

The fourth proportional to 129,217.92, 193,946.82 and 66,083.16 is: 99,186.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,217.92 : 193,946.82 = 66,083.16 : x
  2. Step 2: Convert to fraction form
    129,217.92/193,946.82 = 66,083.16/x
  3. Step 3: Cross multiply
    129,217.92x = 193,946.82 × 66,083.16
  4. Step 4: Simplify right side
    129,217.92x = 12,816,618,497.81
  5. Step 5: Solve for x
    x = 12,816,618,497.81/129,217.92
  6. Step 6: Final answer
    x = 99,186.08

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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.