Home / 211,228.27-316,856.99-61,469.80

Finding the Fourth Proportional to 211,228.27, 316,856.99 and 61,469.80

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Solution

The fourth proportional to 211,228.27, 316,856.99 and 61,469.80 is: 92,208.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,228.27 : 316,856.99 = 61,469.80 : x
  2. Step 2: Convert to fraction form
    211,228.27/316,856.99 = 61,469.80/x
  3. Step 3: Cross multiply
    211,228.27x = 316,856.99 × 61,469.80
  4. Step 4: Simplify right side
    211,228.27x = 19,477,135,496.55
  5. Step 5: Solve for x
    x = 19,477,135,496.55/211,228.27
  6. Step 6: Final answer
    x = 92,208.94

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1.5x scale

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.