Home / 228,571.45-315,421.62-126,592.85

Finding the Fourth Proportional to 228,571.45, 315,421.62 and 126,592.85

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Solution

The fourth proportional to 228,571.45, 315,421.62 and 126,592.85 is: 174,694.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,571.45 : 315,421.62 = 126,592.85 : x
  2. Step 2: Convert to fraction form
    228,571.45/315,421.62 = 126,592.85/x
  3. Step 3: Cross multiply
    228,571.45x = 315,421.62 × 126,592.85
  4. Step 4: Simplify right side
    228,571.45x = 39,930,121,827.42
  5. Step 5: Solve for x
    x = 39,930,121,827.42/228,571.45
  6. Step 6: Final answer
    x = 174,694.27

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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.