Home / 228,736.07-315,646.66-126,765.89

Finding the Fourth Proportional to 228,736.07, 315,646.66 and 126,765.89

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Solution

The fourth proportional to 228,736.07, 315,646.66 and 126,765.89 is: 174,931.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,736.07 : 315,646.66 = 126,765.89 : x
  2. Step 2: Convert to fraction form
    228,736.07/315,646.66 = 126,765.89/x
  3. Step 3: Cross multiply
    228,736.07x = 315,646.66 × 126,765.89
  4. Step 4: Simplify right side
    228,736.07x = 40,013,229,780.43
  5. Step 5: Solve for x
    x = 40,013,229,780.43/228,736.07
  6. Step 6: Final answer
    x = 174,931.88

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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.