Home / 154,140.48-231,198.57-48,960.36

Finding the Fourth Proportional to 154,140.48, 231,198.57 and 48,960.36

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Solution

The fourth proportional to 154,140.48, 231,198.57 and 48,960.36 is: 73,436.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,140.48 : 231,198.57 = 48,960.36 : x
  2. Step 2: Convert to fraction form
    154,140.48/231,198.57 = 48,960.36/x
  3. Step 3: Cross multiply
    154,140.48x = 231,198.57 × 48,960.36
  4. Step 4: Simplify right side
    154,140.48x = 11,319,565,218.69
  5. Step 5: Solve for x
    x = 11,319,565,218.69/154,140.48
  6. Step 6: Final answer
    x = 73,436.68

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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.