Home / 205,914.62-284,165.19-118,651.61

Finding the Fourth Proportional to 205,914.62, 284,165.19 and 118,651.61

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Solution

The fourth proportional to 205,914.62, 284,165.19 and 118,651.61 is: 163,740.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,914.62 : 284,165.19 = 118,651.61 : x
  2. Step 2: Convert to fraction form
    205,914.62/284,165.19 = 118,651.61/x
  3. Step 3: Cross multiply
    205,914.62x = 284,165.19 × 118,651.61
  4. Step 4: Simplify right side
    205,914.62x = 33,716,655,878.63
  5. Step 5: Solve for x
    x = 33,716,655,878.63/205,914.62
  6. Step 6: Final answer
    x = 163,740.96

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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.