Home / 205,760.58-284,046.67-154,792.72

Finding the Fourth Proportional to 205,760.58, 284,046.67 and 154,792.72

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Solution

The fourth proportional to 205,760.58, 284,046.67 and 154,792.72 is: 213,686.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,760.58 : 284,046.67 = 154,792.72 : x
  2. Step 2: Convert to fraction form
    205,760.58/284,046.67 = 154,792.72/x
  3. Step 3: Cross multiply
    205,760.58x = 284,046.67 × 154,792.72
  4. Step 4: Simplify right side
    205,760.58x = 43,968,357,640.15
  5. Step 5: Solve for x
    x = 43,968,357,640.15/205,760.58
  6. Step 6: Final answer
    x = 213,686.98

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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.