Home / 122,445.78-183,601.71-38,183.42

Finding the Fourth Proportional to 122,445.78, 183,601.71 and 38,183.42

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Solution

The fourth proportional to 122,445.78, 183,601.71 and 38,183.42 is: 57,254.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,445.78 : 183,601.71 = 38,183.42 : x
  2. Step 2: Convert to fraction form
    122,445.78/183,601.71 = 38,183.42/x
  3. Step 3: Cross multiply
    122,445.78x = 183,601.71 × 38,183.42
  4. Step 4: Simplify right side
    122,445.78x = 7,010,541,205.65
  5. Step 5: Solve for x
    x = 7,010,541,205.65/122,445.78
  6. Step 6: Final answer
    x = 57,254.25

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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.