Home / 205,945.17-284,220.06-118,744.44

Finding the Fourth Proportional to 205,945.17, 284,220.06 and 118,744.44

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Solution

The fourth proportional to 205,945.17, 284,220.06 and 118,744.44 is: 163,876.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,945.17 : 284,220.06 = 118,744.44 : x
  2. Step 2: Convert to fraction form
    205,945.17/284,220.06 = 118,744.44/x
  3. Step 3: Cross multiply
    205,945.17x = 284,220.06 × 118,744.44
  4. Step 4: Simplify right side
    205,945.17x = 33,749,551,861.47
  5. Step 5: Solve for x
    x = 33,749,551,861.47/205,945.17
  6. Step 6: Final answer
    x = 163,876.39

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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.