Home / 205,762.53-284,049.38-154,794.72

Finding the Fourth Proportional to 205,762.53, 284,049.38 and 154,794.72

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Solution

The fourth proportional to 205,762.53, 284,049.38 and 154,794.72 is: 213,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,762.53 : 284,049.38 = 154,794.72 : x
  2. Step 2: Convert to fraction form
    205,762.53/284,049.38 = 154,794.72/x
  3. Step 3: Cross multiply
    205,762.53x = 284,049.38 × 154,794.72
  4. Step 4: Simplify right side
    205,762.53x = 43,969,342,049.05
  5. Step 5: Solve for x
    x = 43,969,342,049.05/205,762.53
  6. Step 6: Final answer
    x = 213,689.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.