Home / 154,629.62-231,989.38-64,714.76

Finding the Fourth Proportional to 154,629.62, 231,989.38 and 64,714.76

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Solution

The fourth proportional to 154,629.62, 231,989.38 and 64,714.76 is: 97,090.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,629.62 : 231,989.38 = 64,714.76 : x
  2. Step 2: Convert to fraction form
    154,629.62/231,989.38 = 64,714.76/x
  3. Step 3: Cross multiply
    154,629.62x = 231,989.38 × 64,714.76
  4. Step 4: Simplify right side
    154,629.62x = 15,013,135,727.52
  5. Step 5: Solve for x
    x = 15,013,135,727.52/154,629.62
  6. Step 6: Final answer
    x = 97,090.95

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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.