Home / 204,830.10-307,288.35-64,602.90

Finding the Fourth Proportional to 204,830.10, 307,288.35 and 64,602.90

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Solution

The fourth proportional to 204,830.10, 307,288.35 and 64,602.90 is: 96,917.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,830.10 : 307,288.35 = 64,602.90 : x
  2. Step 2: Convert to fraction form
    204,830.10/307,288.35 = 64,602.90/x
  3. Step 3: Cross multiply
    204,830.10x = 307,288.35 × 64,602.90
  4. Step 4: Simplify right side
    204,830.10x = 19,851,718,546.22
  5. Step 5: Solve for x
    x = 19,851,718,546.22/204,830.10
  6. Step 6: Final answer
    x = 96,917.98

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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.