Home / 100,269.94-150,405.24-25,390.04

Finding the Fourth Proportional to 100,269.94, 150,405.24 and 25,390.04

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Solution

The fourth proportional to 100,269.94, 150,405.24 and 25,390.04 is: 38,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,269.94 : 150,405.24 = 25,390.04 : x
  2. Step 2: Convert to fraction form
    100,269.94/150,405.24 = 25,390.04/x
  3. Step 3: Cross multiply
    100,269.94x = 150,405.24 × 25,390.04
  4. Step 4: Simplify right side
    100,269.94x = 3,818,795,059.81
  5. Step 5: Solve for x
    x = 3,818,795,059.81/100,269.94
  6. Step 6: Final answer
    x = 38,085.15

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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.