Home / 127,556.88-191,343.24-38,816.88

Finding the Fourth Proportional to 127,556.88, 191,343.24 and 38,816.88

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Solution

The fourth proportional to 127,556.88, 191,343.24 and 38,816.88 is: 58,227.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,556.88 : 191,343.24 = 38,816.88 : x
  2. Step 2: Convert to fraction form
    127,556.88/191,343.24 = 38,816.88/x
  3. Step 3: Cross multiply
    127,556.88x = 191,343.24 × 38,816.88
  4. Step 4: Simplify right side
    127,556.88x = 7,427,347,585.89
  5. Step 5: Solve for x
    x = 7,427,347,585.89/127,556.88
  6. Step 6: Final answer
    x = 58,227.73

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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.