Home / 203,040.20-304,560.30-124,308.20

Finding the Fourth Proportional to 203,040.20, 304,560.30 and 124,308.20

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Solution

The fourth proportional to 203,040.20, 304,560.30 and 124,308.20 is: 186,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,040.20 : 304,560.30 = 124,308.20 : x
  2. Step 2: Convert to fraction form
    203,040.20/304,560.30 = 124,308.20/x
  3. Step 3: Cross multiply
    203,040.20x = 304,560.30 × 124,308.20
  4. Step 4: Simplify right side
    203,040.20x = 37,859,342,684.46
  5. Step 5: Solve for x
    x = 37,859,342,684.46/203,040.20
  6. Step 6: Final answer
    x = 186,462.30

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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.