Home / 204,669.20-307,003.80-56,925.20

Finding the Fourth Proportional to 204,669.20, 307,003.80 and 56,925.20

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Solution

The fourth proportional to 204,669.20, 307,003.80 and 56,925.20 is: 85,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,669.20 : 307,003.80 = 56,925.20 : x
  2. Step 2: Convert to fraction form
    204,669.20/307,003.80 = 56,925.20/x
  3. Step 3: Cross multiply
    204,669.20x = 307,003.80 × 56,925.20
  4. Step 4: Simplify right side
    204,669.20x = 17,476,252,715.76
  5. Step 5: Solve for x
    x = 17,476,252,715.76/204,669.20
  6. Step 6: Final answer
    x = 85,387.80

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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.