Home / 228,933.13-315,928.62-126,968.06

Finding the Fourth Proportional to 228,933.13, 315,928.62 and 126,968.06

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Solution

The fourth proportional to 228,933.13, 315,928.62 and 126,968.06 is: 175,216.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,933.13 : 315,928.62 = 126,968.06 : x
  2. Step 2: Convert to fraction form
    228,933.13/315,928.62 = 126,968.06/x
  3. Step 3: Cross multiply
    228,933.13x = 315,928.62 × 126,968.06
  4. Step 4: Simplify right side
    228,933.13x = 40,112,841,765.39
  5. Step 5: Solve for x
    x = 40,112,841,765.39/228,933.13
  6. Step 6: Final answer
    x = 175,216.42

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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.