Home / 100,305.23-150,457.55-25,425.17

Finding the Fourth Proportional to 100,305.23, 150,457.55 and 25,425.17

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Solution

The fourth proportional to 100,305.23, 150,457.55 and 25,425.17 is: 38,137.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,305.23 : 150,457.55 = 25,425.17 : x
  2. Step 2: Convert to fraction form
    100,305.23/150,457.55 = 25,425.17/x
  3. Step 3: Cross multiply
    100,305.23x = 150,457.55 × 25,425.17
  4. Step 4: Simplify right side
    100,305.23x = 3,825,407,907.12
  5. Step 5: Solve for x
    x = 3,825,407,907.12/100,305.23
  6. Step 6: Final answer
    x = 38,137.67

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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.