Home / 144,723.37-216,711.19-99,883.09

Finding the Fourth Proportional to 144,723.37, 216,711.19 and 99,883.09

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Solution

The fourth proportional to 144,723.37, 216,711.19 and 99,883.09 is: 149,566.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,723.37 : 216,711.19 = 99,883.09 : x
  2. Step 2: Convert to fraction form
    144,723.37/216,711.19 = 99,883.09/x
  3. Step 3: Cross multiply
    144,723.37x = 216,711.19 × 99,883.09
  4. Step 4: Simplify right side
    144,723.37x = 21,645,783,294.78
  5. Step 5: Solve for x
    x = 21,645,783,294.78/144,723.37
  6. Step 6: Final answer
    x = 149,566.61

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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.