Home / 204,221.72-306,347.23-54,461.23

Finding the Fourth Proportional to 204,221.72, 306,347.23 and 54,461.23

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Solution

The fourth proportional to 204,221.72, 306,347.23 and 54,461.23 is: 81,695.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,221.72 : 306,347.23 = 54,461.23 : x
  2. Step 2: Convert to fraction form
    204,221.72/306,347.23 = 54,461.23/x
  3. Step 3: Cross multiply
    204,221.72x = 306,347.23 × 54,461.23
  4. Step 4: Simplify right side
    204,221.72x = 16,684,045,421.16
  5. Step 5: Solve for x
    x = 16,684,045,421.16/204,221.72
  6. Step 6: Final answer
    x = 81,695.74

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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.