Home / 205,904.58-308,784.51-61,767.42

Finding the Fourth Proportional to 205,904.58, 308,784.51 and 61,767.42

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Solution

The fourth proportional to 205,904.58, 308,784.51 and 61,767.42 is: 92,629.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,904.58 : 308,784.51 = 61,767.42 : x
  2. Step 2: Convert to fraction form
    205,904.58/308,784.51 = 61,767.42/x
  3. Step 3: Cross multiply
    205,904.58x = 308,784.51 × 61,767.42
  4. Step 4: Simplify right side
    205,904.58x = 19,072,822,287.04
  5. Step 5: Solve for x
    x = 19,072,822,287.04/205,904.58
  6. Step 6: Final answer
    x = 92,629.42

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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.