Home / 204,051.83-306,132.82-70,939.46

Finding the Fourth Proportional to 204,051.83, 306,132.82 and 70,939.46

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Solution

The fourth proportional to 204,051.83, 306,132.82 and 70,939.46 is: 106,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,051.83 : 306,132.82 = 70,939.46 : x
  2. Step 2: Convert to fraction form
    204,051.83/306,132.82 = 70,939.46/x
  3. Step 3: Cross multiply
    204,051.83x = 306,132.82 × 70,939.46
  4. Step 4: Simplify right side
    204,051.83x = 21,716,897,527.06
  5. Step 5: Solve for x
    x = 21,716,897,527.06/204,051.83
  6. Step 6: Final answer
    x = 106,428.34

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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.