Home / 119,423.73-164,878.39-82,192.12

Finding the Fourth Proportional to 119,423.73, 164,878.39 and 82,192.12

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Solution

The fourth proportional to 119,423.73, 164,878.39 and 82,192.12 is: 113,475.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,423.73 : 164,878.39 = 82,192.12 : x
  2. Step 2: Convert to fraction form
    119,423.73/164,878.39 = 82,192.12/x
  3. Step 3: Cross multiply
    119,423.73x = 164,878.39 × 82,192.12
  4. Step 4: Simplify right side
    119,423.73x = 13,551,703,180.93
  5. Step 5: Solve for x
    x = 13,551,703,180.93/119,423.73
  6. Step 6: Final answer
    x = 113,475.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.