Home / 154,165.14-231,198.50-48,959.51

Finding the Fourth Proportional to 154,165.14, 231,198.50 and 48,959.51

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Solution

The fourth proportional to 154,165.14, 231,198.50 and 48,959.51 is: 73,423.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,165.14 : 231,198.50 = 48,959.51 : x
  2. Step 2: Convert to fraction form
    154,165.14/231,198.50 = 48,959.51/x
  3. Step 3: Cross multiply
    154,165.14x = 231,198.50 × 48,959.51
  4. Step 4: Simplify right side
    154,165.14x = 11,319,364,239.14
  5. Step 5: Solve for x
    x = 11,319,364,239.14/154,165.14
  6. Step 6: Final answer
    x = 73,423.63

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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.