Home / 369,172.13-509,457.74-199,406.25

Finding the Fourth Proportional to 369,172.13, 509,457.74 and 199,406.25

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Solution

The fourth proportional to 369,172.13, 509,457.74 and 199,406.25 is: 275,180.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,172.13 : 509,457.74 = 199,406.25 : x
  2. Step 2: Convert to fraction form
    369,172.13/509,457.74 = 199,406.25/x
  3. Step 3: Cross multiply
    369,172.13x = 509,457.74 × 199,406.25
  4. Step 4: Simplify right side
    369,172.13x = 101,589,056,469.84
  5. Step 5: Solve for x
    x = 101,589,056,469.84/369,172.13
  6. Step 6: Final answer
    x = 275,180.73

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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.