Home / 147,821.44-203,988.54-84,146.92

Finding the Fourth Proportional to 147,821.44, 203,988.54 and 84,146.92

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Solution

The fourth proportional to 147,821.44, 203,988.54 and 84,146.92 is: 116,119.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,821.44 : 203,988.54 = 84,146.92 : x
  2. Step 2: Convert to fraction form
    147,821.44/203,988.54 = 84,146.92/x
  3. Step 3: Cross multiply
    147,821.44x = 203,988.54 × 84,146.92
  4. Step 4: Simplify right side
    147,821.44x = 17,165,007,356.30
  5. Step 5: Solve for x
    x = 17,165,007,356.30/147,821.44
  6. Step 6: Final answer
    x = 116,119.88

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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.