Home / 136,024.20-204,036.30-115,903.80

Finding the Fourth Proportional to 136,024.20, 204,036.30 and 115,903.80

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Solution

The fourth proportional to 136,024.20, 204,036.30 and 115,903.80 is: 173,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,024.20 : 204,036.30 = 115,903.80 : x
  2. Step 2: Convert to fraction form
    136,024.20/204,036.30 = 115,903.80/x
  3. Step 3: Cross multiply
    136,024.20x = 204,036.30 × 115,903.80
  4. Step 4: Simplify right side
    136,024.20x = 23,648,582,507.94
  5. Step 5: Solve for x
    x = 23,648,582,507.94/136,024.20
  6. Step 6: Final answer
    x = 173,855.70

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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.