Home / 150,467.34-207,644.94-81,557.04

Finding the Fourth Proportional to 150,467.34, 207,644.94 and 81,557.04

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Solution

The fourth proportional to 150,467.34, 207,644.94 and 81,557.04 is: 112,548.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,467.34 : 207,644.94 = 81,557.04 : x
  2. Step 2: Convert to fraction form
    150,467.34/207,644.94 = 81,557.04/x
  3. Step 3: Cross multiply
    150,467.34x = 207,644.94 × 81,557.04
  4. Step 4: Simplify right side
    150,467.34x = 16,934,906,677.38
  5. Step 5: Solve for x
    x = 16,934,906,677.38/150,467.34
  6. Step 6: Final answer
    x = 112,548.72

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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.