Home / 109,346.24-150,908.96-66,932.80

Finding the Fourth Proportional to 109,346.24, 150,908.96 and 66,932.80

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Solution

The fourth proportional to 109,346.24, 150,908.96 and 66,932.80 is: 92,374.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,346.24 : 150,908.96 = 66,932.80 : x
  2. Step 2: Convert to fraction form
    109,346.24/150,908.96 = 66,932.80/x
  3. Step 3: Cross multiply
    109,346.24x = 150,908.96 × 66,932.80
  4. Step 4: Simplify right side
    109,346.24x = 10,100,759,237.89
  5. Step 5: Solve for x
    x = 10,100,759,237.89/109,346.24
  6. Step 6: Final answer
    x = 92,374.09

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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.