Home / 127,632.25-191,512.96-52,806.09

Finding the Fourth Proportional to 127,632.25, 191,512.96 and 52,806.09

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Solution

The fourth proportional to 127,632.25, 191,512.96 and 52,806.09 is: 79,235.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,632.25 : 191,512.96 = 52,806.09 : x
  2. Step 2: Convert to fraction form
    127,632.25/191,512.96 = 52,806.09/x
  3. Step 3: Cross multiply
    127,632.25x = 191,512.96 × 52,806.09
  4. Step 4: Simplify right side
    127,632.25x = 10,113,050,469.91
  5. Step 5: Solve for x
    x = 10,113,050,469.91/127,632.25
  6. Step 6: Final answer
    x = 79,235.86

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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.