Home / 203,026.45-304,517.80-53,281.75

Finding the Fourth Proportional to 203,026.45, 304,517.80 and 53,281.75

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Solution

The fourth proportional to 203,026.45, 304,517.80 and 53,281.75 is: 79,916.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,026.45 : 304,517.80 = 53,281.75 : x
  2. Step 2: Convert to fraction form
    203,026.45/304,517.80 = 53,281.75/x
  3. Step 3: Cross multiply
    203,026.45x = 304,517.80 × 53,281.75
  4. Step 4: Simplify right side
    203,026.45x = 16,225,241,290.15
  5. Step 5: Solve for x
    x = 16,225,241,290.15/203,026.45
  6. Step 6: Final answer
    x = 79,916.88

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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.