Home / 136,020.24-204,024.78-36,180.72

Finding the Fourth Proportional to 136,020.24, 204,024.78 and 36,180.72

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Solution

The fourth proportional to 136,020.24, 204,024.78 and 36,180.72 is: 54,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,020.24 : 204,024.78 = 36,180.72 : x
  2. Step 2: Convert to fraction form
    136,020.24/204,024.78 = 36,180.72/x
  3. Step 3: Cross multiply
    136,020.24x = 204,024.78 × 36,180.72
  4. Step 4: Simplify right side
    136,020.24x = 7,381,763,438.24
  5. Step 5: Solve for x
    x = 7,381,763,438.24/136,020.24
  6. Step 6: Final answer
    x = 54,269.60

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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.