Home / 144,495.18-199,403.64-80,834.04

Finding the Fourth Proportional to 144,495.18, 199,403.64 and 80,834.04

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Solution

The fourth proportional to 144,495.18, 199,403.64 and 80,834.04 is: 111,551.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,495.18 : 199,403.64 = 80,834.04 : x
  2. Step 2: Convert to fraction form
    144,495.18/199,403.64 = 80,834.04/x
  3. Step 3: Cross multiply
    144,495.18x = 199,403.64 × 80,834.04
  4. Step 4: Simplify right side
    144,495.18x = 16,118,601,811.91
  5. Step 5: Solve for x
    x = 16,118,601,811.91/144,495.18
  6. Step 6: Final answer
    x = 111,551.14

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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.