Home / 150,664.48-225,972.72-39,865.12

Finding the Fourth Proportional to 150,664.48, 225,972.72 and 39,865.12

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Solution

The fourth proportional to 150,664.48, 225,972.72 and 39,865.12 is: 59,791.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,664.48 : 225,972.72 = 39,865.12 : x
  2. Step 2: Convert to fraction form
    150,664.48/225,972.72 = 39,865.12/x
  3. Step 3: Cross multiply
    150,664.48x = 225,972.72 × 39,865.12
  4. Step 4: Simplify right side
    150,664.48x = 9,008,429,599.53
  5. Step 5: Solve for x
    x = 9,008,429,599.53/150,664.48
  6. Step 6: Final answer
    x = 59,791.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.