Home / 153,923.20-230,906.40-48,731.20

Finding the Fourth Proportional to 153,923.20, 230,906.40 and 48,731.20

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Solution

The fourth proportional to 153,923.20, 230,906.40 and 48,731.20 is: 73,103.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,923.20 : 230,906.40 = 48,731.20 : x
  2. Step 2: Convert to fraction form
    153,923.20/230,906.40 = 48,731.20/x
  3. Step 3: Cross multiply
    153,923.20x = 230,906.40 × 48,731.20
  4. Step 4: Simplify right side
    153,923.20x = 11,252,345,959.68
  5. Step 5: Solve for x
    x = 11,252,345,959.68/153,923.20
  6. Step 6: Final answer
    x = 73,103.64

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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.