Home / 144,457.35-199,350-80,795.10

Finding the Fourth Proportional to 144,457.35, 199,350 and 80,795.10

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Solution

The fourth proportional to 144,457.35, 199,350 and 80,795.10 is: 111,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,457.35 : 199,350 = 80,795.10 : x
  2. Step 2: Convert to fraction form
    144,457.35/199,350 = 80,795.10/x
  3. Step 3: Cross multiply
    144,457.35x = 199,350 × 80,795.10
  4. Step 4: Simplify right side
    144,457.35x = 16,106,503,185.00
  5. Step 5: Solve for x
    x = 16,106,503,185.00/144,457.35
  6. Step 6: Final answer
    x = 111,496.60

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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.