Home / 149,259.24-205,968.42-82,191.24

Finding the Fourth Proportional to 149,259.24, 205,968.42 and 82,191.24

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Solution

The fourth proportional to 149,259.24, 205,968.42 and 82,191.24 is: 113,418.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,259.24 : 205,968.42 = 82,191.24 : x
  2. Step 2: Convert to fraction form
    149,259.24/205,968.42 = 82,191.24/x
  3. Step 3: Cross multiply
    149,259.24x = 205,968.42 × 82,191.24
  4. Step 4: Simplify right side
    149,259.24x = 16,928,799,840.64
  5. Step 5: Solve for x
    x = 16,928,799,840.64/149,259.24
  6. Step 6: Final answer
    x = 113,418.77

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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.