Home / 223,942.22-309,040.26-123,340.22

Finding the Fourth Proportional to 223,942.22, 309,040.26 and 123,340.22

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Solution

The fourth proportional to 223,942.22, 309,040.26 and 123,340.22 is: 170,209.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,942.22 : 309,040.26 = 123,340.22 : x
  2. Step 2: Convert to fraction form
    223,942.22/309,040.26 = 123,340.22/x
  3. Step 3: Cross multiply
    223,942.22x = 309,040.26 × 123,340.22
  4. Step 4: Simplify right side
    223,942.22x = 38,117,093,502.22
  5. Step 5: Solve for x
    x = 38,117,093,502.22/223,942.22
  6. Step 6: Final answer
    x = 170,209.50

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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.