Home / 218,669.40-328,002.77-56,563.44

Finding the Fourth Proportional to 218,669.40, 328,002.77 and 56,563.44

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Solution

The fourth proportional to 218,669.40, 328,002.77 and 56,563.44 is: 84,844.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,669.40 : 328,002.77 = 56,563.44 : x
  2. Step 2: Convert to fraction form
    218,669.40/328,002.77 = 56,563.44/x
  3. Step 3: Cross multiply
    218,669.40x = 328,002.77 × 56,563.44
  4. Step 4: Simplify right side
    218,669.40x = 18,552,964,717.91
  5. Step 5: Solve for x
    x = 18,552,964,717.91/218,669.40
  6. Step 6: Final answer
    x = 84,844.81

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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.