Home / 106,313.54-159,525.90-100,187.21

Finding the Fourth Proportional to 106,313.54, 159,525.90 and 100,187.21

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Solution

The fourth proportional to 106,313.54, 159,525.90 and 100,187.21 is: 150,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,313.54 : 159,525.90 = 100,187.21 : x
  2. Step 2: Convert to fraction form
    106,313.54/159,525.90 = 100,187.21/x
  3. Step 3: Cross multiply
    106,313.54x = 159,525.90 × 100,187.21
  4. Step 4: Simplify right side
    106,313.54x = 15,982,455,242.55
  5. Step 5: Solve for x
    x = 15,982,455,242.55/106,313.54
  6. Step 6: Final answer
    x = 150,333.21

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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.