Home / 177,563.36-245,044.72-102,111.84

Finding the Fourth Proportional to 177,563.36, 245,044.72 and 102,111.84

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Solution

The fourth proportional to 177,563.36, 245,044.72 and 102,111.84 is: 140,918.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,563.36 : 245,044.72 = 102,111.84 : x
  2. Step 2: Convert to fraction form
    177,563.36/245,044.72 = 102,111.84/x
  3. Step 3: Cross multiply
    177,563.36x = 245,044.72 × 102,111.84
  4. Step 4: Simplify right side
    177,563.36x = 25,021,967,241.48
  5. Step 5: Solve for x
    x = 25,021,967,241.48/177,563.36
  6. Step 6: Final answer
    x = 140,918.53

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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.