Home / 228,787.27-315,736.99-126,814.92

Finding the Fourth Proportional to 228,787.27, 315,736.99 and 126,814.92

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Solution

The fourth proportional to 228,787.27, 315,736.99 and 126,814.92 is: 175,010.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,787.27 : 315,736.99 = 126,814.92 : x
  2. Step 2: Convert to fraction form
    228,787.27/315,736.99 = 126,814.92/x
  3. Step 3: Cross multiply
    228,787.27x = 315,736.99 × 126,814.92
  4. Step 4: Simplify right side
    228,787.27x = 40,040,159,626.84
  5. Step 5: Solve for x
    x = 40,040,159,626.84/228,787.27
  6. Step 6: Final answer
    x = 175,010.44

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1.5x scale

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.