Home / 149,323.18-206,066.01-82,255.18

Finding the Fourth Proportional to 149,323.18, 206,066.01 and 82,255.18

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Solution

The fourth proportional to 149,323.18, 206,066.01 and 82,255.18 is: 113,512.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,323.18 : 206,066.01 = 82,255.18 : x
  2. Step 2: Convert to fraction form
    149,323.18/206,066.01 = 82,255.18/x
  3. Step 3: Cross multiply
    149,323.18x = 206,066.01 × 82,255.18
  4. Step 4: Simplify right side
    149,323.18x = 16,949,996,744.43
  5. Step 5: Solve for x
    x = 16,949,996,744.43/149,323.18
  6. Step 6: Final answer
    x = 113,512.16

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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.