Home / 109,736.42-151,478.25-67,352.54

Finding the Fourth Proportional to 109,736.42, 151,478.25 and 67,352.54

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Solution

The fourth proportional to 109,736.42, 151,478.25 and 67,352.54 is: 92,972.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,736.42 : 151,478.25 = 67,352.54 : x
  2. Step 2: Convert to fraction form
    109,736.42/151,478.25 = 67,352.54/x
  3. Step 3: Cross multiply
    109,736.42x = 151,478.25 × 67,352.54
  4. Step 4: Simplify right side
    109,736.42x = 10,202,444,892.26
  5. Step 5: Solve for x
    x = 10,202,444,892.26/109,736.42
  6. Step 6: Final answer
    x = 92,972.28

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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.