Home / 311,759.22-430,227.63-168,519.18

Finding the Fourth Proportional to 311,759.22, 430,227.63 and 168,519.18

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Solution

The fourth proportional to 311,759.22, 430,227.63 and 168,519.18 is: 232,556.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,759.22 : 430,227.63 = 168,519.18 : x
  2. Step 2: Convert to fraction form
    311,759.22/430,227.63 = 168,519.18/x
  3. Step 3: Cross multiply
    311,759.22x = 430,227.63 × 168,519.18
  4. Step 4: Simplify right side
    311,759.22x = 72,501,607,420.94
  5. Step 5: Solve for x
    x = 72,501,607,420.94/311,759.22
  6. Step 6: Final answer
    x = 232,556.42

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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.