Home / 205,782.36-308,641.89-56,034.21

Finding the Fourth Proportional to 205,782.36, 308,641.89 and 56,034.21

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Solution

The fourth proportional to 205,782.36, 308,641.89 and 56,034.21 is: 84,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,782.36 : 308,641.89 = 56,034.21 : x
  2. Step 2: Convert to fraction form
    205,782.36/308,641.89 = 56,034.21/x
  3. Step 3: Cross multiply
    205,782.36x = 308,641.89 × 56,034.21
  4. Step 4: Simplify right side
    205,782.36x = 17,294,504,479.06
  5. Step 5: Solve for x
    x = 17,294,504,479.06/205,782.36
  6. Step 6: Final answer
    x = 84,042.70

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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.