Home / 149,386.75-206,158.04-82,323.07

Finding the Fourth Proportional to 149,386.75, 206,158.04 and 82,323.07

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Solution

The fourth proportional to 149,386.75, 206,158.04 and 82,323.07 is: 113,608.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,386.75 : 206,158.04 = 82,323.07 : x
  2. Step 2: Convert to fraction form
    149,386.75/206,158.04 = 82,323.07/x
  3. Step 3: Cross multiply
    149,386.75x = 206,158.04 × 82,323.07
  4. Step 4: Simplify right side
    149,386.75x = 16,971,562,757.98
  5. Step 5: Solve for x
    x = 16,971,562,757.98/149,386.75
  6. Step 6: Final answer
    x = 113,608.22

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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.