Home / 150,828.46-207,996.79-101,877.73

Finding the Fourth Proportional to 150,828.46, 207,996.79 and 101,877.73

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Solution

The fourth proportional to 150,828.46, 207,996.79 and 101,877.73 is: 140,492.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,828.46 : 207,996.79 = 101,877.73 : x
  2. Step 2: Convert to fraction form
    150,828.46/207,996.79 = 101,877.73/x
  3. Step 3: Cross multiply
    150,828.46x = 207,996.79 × 101,877.73
  4. Step 4: Simplify right side
    150,828.46x = 21,190,240,812.49
  5. Step 5: Solve for x
    x = 21,190,240,812.49/150,828.46
  6. Step 6: Final answer
    x = 140,492.32

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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.