Home / 154,003.16-231,005.39-47,386.44

Finding the Fourth Proportional to 154,003.16, 231,005.39 and 47,386.44

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Solution

The fourth proportional to 154,003.16, 231,005.39 and 47,386.44 is: 71,079.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,003.16 : 231,005.39 = 47,386.44 : x
  2. Step 2: Convert to fraction form
    154,003.16/231,005.39 = 47,386.44/x
  3. Step 3: Cross multiply
    154,003.16x = 231,005.39 × 47,386.44
  4. Step 4: Simplify right side
    154,003.16x = 10,946,522,815.98
  5. Step 5: Solve for x
    x = 10,946,522,815.98/154,003.16
  6. Step 6: Final answer
    x = 71,079.86

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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.