Home / 445,864.17-668,818.13-179,588.73

Finding the Fourth Proportional to 445,864.17, 668,818.13 and 179,588.73

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Solution

The fourth proportional to 445,864.17, 668,818.13 and 179,588.73 is: 269,391.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,864.17 : 668,818.13 = 179,588.73 : x
  2. Step 2: Convert to fraction form
    445,864.17/668,818.13 = 179,588.73/x
  3. Step 3: Cross multiply
    445,864.17x = 668,818.13 × 179,588.73
  4. Step 4: Simplify right side
    445,864.17x = 120,112,197,669.73
  5. Step 5: Solve for x
    x = 120,112,197,669.73/445,864.17
  6. Step 6: Final answer
    x = 269,391.90

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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.