Home / 127,556.75-191,343.23-38,816.80

Finding the Fourth Proportional to 127,556.75, 191,343.23 and 38,816.80

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Solution

The fourth proportional to 127,556.75, 191,343.23 and 38,816.80 is: 58,227.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,556.75 : 191,343.23 = 38,816.80 : x
  2. Step 2: Convert to fraction form
    127,556.75/191,343.23 = 38,816.80/x
  3. Step 3: Cross multiply
    127,556.75x = 191,343.23 × 38,816.80
  4. Step 4: Simplify right side
    127,556.75x = 7,427,331,890.26
  5. Step 5: Solve for x
    x = 7,427,331,890.26/127,556.75
  6. Step 6: Final answer
    x = 58,227.67

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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.