Home / 154,815.76-232,256.48-49,708.56

Finding the Fourth Proportional to 154,815.76, 232,256.48 and 49,708.56

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Solution

The fourth proportional to 154,815.76, 232,256.48 and 49,708.56 is: 74,573.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,815.76 : 232,256.48 = 49,708.56 : x
  2. Step 2: Convert to fraction form
    154,815.76/232,256.48 = 49,708.56/x
  3. Step 3: Cross multiply
    154,815.76x = 232,256.48 × 49,708.56
  4. Step 4: Simplify right side
    154,815.76x = 11,545,135,171.47
  5. Step 5: Solve for x
    x = 11,545,135,171.47/154,815.76
  6. Step 6: Final answer
    x = 74,573.38

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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.